Answer:
d 4
Explanation:
Answer:
i think d idrk tho sorry
Explanation:
when comparing a plant cell to an animal cell, only the plant cell will contain
Mitochondria are found in both plant and animal cells, however chloroplasts are only found in plant cells. The chloroplast is where photosynthesis happens.
Plants must produce their own sugar from sunlight since they cannot obtain it through food consumption.
The mitochondria then break down the sugar after it has been created in order to produce energy for the cell. Animals only need mitochondria since they obtain their sugar from the food they eat, not chloroplasts.
Animal and plant cells both include vacuoles. A plant cell has a single, big vacuole that serves as storage space and helps keep the cell's structure.
Both a cell membrane and a cell wall are present in plant cells. In plants, the cell membrane is enclosed by the cell wall. This is what gives the plant cell its rectangular shape.
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Which reaction releases more free energy - the removal of a phosphate group from creatine phosphate or the removal of a phosphate group from ATP?
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  Which person would tend to have a higher proportion of slow-twitch than fast-twitch muscles: a weight lifter, a sprinter, or a long distance runner?
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A muscle cell is obtained and studied with electron microscopy. Â The study reveals that it has very few mitochondria. Â What kind of muscle fiber is it?
The removal of a phosphate group from ATP releases more free energy than the removal of a phosphate group from creatine phosphate.
As per the question given,
ATP is the main energy currency in the cell and is constantly being hydrolyzed to release energy for various cellular processes.
A long distance runner would tend to have a higher proportion of slow-twitch muscles compared to a weight lifter or a sprinter. Slow-twitch muscles are better adapted for endurance activities like long distance running, whereas fast-twitch muscles are better adapted for short bursts of intense activity like weightlifting and sprinting.
If a muscle cell obtained from electron microscopy has very few mitochondria, it is likely a fast-twitch muscle fiber. Mitochondria are responsible for producing ATP through oxidative metabolism, which is primarily used by slow-twitch muscle fibers. Fast-twitch muscle fibers rely more on glycolysis for energy production and have fewer mitochondria.
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a young man named rip van winkle is in your sleep lab. it is your job to monitor his sleep activity during the night. unfortunately, the low-light monitor that allows you to watch him sleep is broken so you have to determine his sleep state based on what you see in his eeg, emg and eog records. match the state below with the electrophysiological records.
Electrophysiological recordings are another name for recordings of big-scale electric cues from the shy plan, such as electroencephalography. They are useful for monitoring and electrodiagnosis.
Compare the state listed below to the electrophysiological data.
1. Eye movement is shown by EOG, muscle contractions by EMG, and high-frequency, low-amplitude waves by EEG.
3. EOG demonstrates eyes are fixed, EMG shows muscles are loose, EEG shows low recurrence, high abundancy waves
2. EOG demonstrates eyes are moving, EMG shows muscles are deadened, EEG shows high recurrence, low abundancy waves
4. EOG demonstrates eyes are fixed, EMG shows muscles are loose, and EEG shows rest axles.
Electroencephalograms (EEGs), electrocardiograms (ECGs), transepithelial recording, multielectrode arrays, single- and multiunit extracellular recording, impedance measurements, current-clamp, voltage-clamp, patch-clamp, and lipid bilayer recording are among these methods.
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Q- A young man named Rip Van Winkle is in your sleep lab. It is your job to monitor his sleep activity during the night. Unfortunately, the low-light monitor that allows you to watch him sleep is broken so you have to determine his sleep state based on what you see in his EEG, EMG, and EOG records. Match the state below with the electrophysiological records.
1. Awake
2. REM sleep
3. Deep sleep
4. Stage 2 sleep
b. If the student were relying on alternative energies instead of fossil fuels, explain how the student's impact on the environment would be different.
If the student uses alternative energies, the environment is pared the impact of global warming and release of particulate matter.
Impact of alternative energiesAll over the world, fossil fuels have been the dominant source of energy for several households. The impact of these fossil fuels is increase in the amount of carbon dioxide and particulate matter released into the environment.
If the student uses alternative energies, the environment is pared the impact of global warming and release of particulate matter.
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What are the major functions of the circulatory system.
Answer:
The major functions of the circulatory system is it delievers oxygen and nutrients to cells and takes away wastes.
Explanation:
Hope this helps! :)
Brock's father has inherited a mitochondrial disease. Is Brock in danger of also having this disease?
True or False?
Yes, If Brock's father has inherited a mitochondrial disease. then Brock in danger of also having this disease.
Understanding mitochondrial diseasesMitochondrial diseases are inherited maternally, which means that they are passed down from the mother to her offspring. However, in some rare cases, the disease can also be inherited from the father if his sperm has a mutated mitochondrial DNA.
In Brock's case, if his father has inherited a mitochondrial disease, it is unlikely that he will develop the disease himself.
However, there is a small chance that his father's sperm carries the mutated mitochondrial DNA, which could result in Brock inheriting the disease.
It is important for Brock to speak with a genetic counselor to discuss his risk of developing the disease and any preventive measures that he can take.
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Describe and discuss the amino acids. Include information on what they are, their structure, and how many there are. Using your best grammar, write 3-5 sentences.
Answer:
molecules that combine to form proteins
Explanation:
amino acids are molecules that combine to form proteins. amino acids and proteins are the building blocks of life. when proteins are digested or broken down amino acids are left
Amino acids are building blocks of proteins. They contain an amino group, carboxyl group, and side chain. There are 20 types, each with unique properties influencing protein structure and function.
Biochemical functions depend on amino acids in proteins. The R-group, amino group, and carboxyl group are on each amino acid. This side chain gives each amino acid chemical properties that impact protein structure and function. Twenty typical amino acids make up proteins.
They vary in size, shape, charge, and hydrophobicity. Peptide bonds generate polypeptide chains that fold into three-dimensional forms, determining a protein's function. The structures include simple helices and complex globular shapes. Complex and diverse, proteins perform various tasks in living things due to the diversity of amino acids and their interactions.
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Which of the following is not a part of the nephron?
a) Nephric tubule
b) Ureters
c) Bowman's Capsule
d) Both A & C
Answer:
ureters
Explanation:
the ureter is part of the urinary system/excretory system
In Drosophila melanogaster, X-ray induced mutation resulted in flies with variegated eye color. This was caused by all but one of the following. Choose the incorrect statement:genetic mutation of the w+ (red) gene to w (white) in some, but not all cells of the flyX-ray generated translocationvariable spreading of heterochromatinfacultative heterochromatin
In Drosophila melanogaster, X-ray induced mutation resulted in flies with variegated eye color. The following statements are correct regarding it except one which "X-ray generated translocation is responsible for variegated eye color."
What is variegated eye color?In Drosophila melanogaster, X-ray-induced mutation can result in flies with variegated eye color. Variegated eye color is a kind of gene mutation in which an organism's eye color varies from normal. This mutation causes the eye color to change from red to white in some, but not all, cells of the fly.
The incorrect statement from the given options is "X-ray generated translocation." This statement is not responsible for variegated eye color. Variegated eye color is due to genetic mutation of the w+ (red) gene to w (white) in some, but not all, cells of the fly. X-ray generated translocation is a type of gene mutation. It causes changes in genetic material that cause the chromosomes to break and recombine in a non-reciprocal manner, resulting in the transfer of a chromosomal section to a non-homologous chromosome. X-ray generated translocation is not responsible for variegated eye color. Therefore, this statement is incorrect.
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darwin knows that the research indicates that the more tv people watch, the more soda they tend to drink; therefore, darwin believes that tv watching causes people to drink soda. darwin is guilty of
Darwin is guilty of committing the post hoc fallacy. Post hoc fallacy or post hoc ergo propter hoc (Latin for "after this, therefore because of this") is a logical fallacy in which a conclusion is made that A caused B solely based on the fact that A occurred before B.
Post hoc fallacy suggests that the temporal sequence of events indicates causation, which is not always the case. In the given statement, Darwin believes that TV watching causes people to drink soda based on the observation that the more TV people watch, the more soda they tend to drink. However, just because two things happen together does not necessarily mean that one thing causes the other. There could be many other factors involved that lead to people drinking more soda when they watch more TV. Therefore, Darwin is committing the post hoc fallacy by assuming causation based solely on the temporal sequence of events.
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What major classes of protein are found in the inner mitochondrial membrane?
Answer:
The major classes of proteins found in the inner mitochondria is the production of ATP.
Explanation:
Unlike reptile, bird and mammal embryos, turtle embryos have a bulge of cells called:
Turtle shell
Carapacial ridge
Embryonic shell
Embryonic ridge
Who studied layers of rocks and fossils and had their studies helped change the age of the earth from 6,000 to 3 million years old?
Answer:
James Hutton he did it
The micronucleus assay...
a) is performed to determine the teratogenic potential of a compound
b) is performed to determine the cytotoxic potential of a compound
c) is performed in cells in interphase
d) is performed in cells arrested in metaphase.
The micronucleus assay is a technique used to evaluate the genotoxic potential of a compound. It is primarily performed in cells during interphase, which is the stage of the cell cycle between cell divisions.
The assay involves exposing cells to the compound being tested and then observing the presence of micronuclei in these cells. Micronuclei are small, additional nuclei that can form during cell division when DNA damage occurs. These micronuclei contain fragments of the main nucleus or whole chromosomes.By counting the number of micronuclei in the exposed cells, researchers can assess the genotoxicity of the compound. A higher number of micronuclei indicates a higher genotoxic potential, suggesting that the compound may cause DNA damage and potentially lead to genetic mutations.
The micronucleus assay is not specifically designed to determine the teratogenic potential or cytotoxic potential of a compound. Teratogenic potential refers to the ability of a substance to cause birth defects, while cytotoxic potential refers to its ability to cause cell death. Although the micronucleus assay indirectly provides information about the genotoxic potential, it does not directly assess these other aspects.In summary, the micronucleus assay is a technique used to evaluate the genotoxic potential of a compound by observing the presence of micronuclei in cells during interphase. It can help researchers identify compounds that may cause DNA damage and potentially lead to genetic mutations.
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The micronucleus assay is performed to determine the genotoxic potential of a compound. It is not specifically used to assess teratogenic (ability to cause birth defects) or cytotoxic (ability to kill cells) effects. This assay is conducted in cells in interphase, rather than in cells arrested in metaphase.
The micronucleus assay is a widely used method in genetic toxicology to evaluate the genotoxicity of various compounds. It involves exposing cells to a test compound and assessing the presence of micronuclei, which are small additional nuclei formed from chromosome fragments or whole chromosomes that are not incorporated into the main nucleus during cell division. The presence of micronuclei indicates DNA damage and chromosomal abnormalities, which can be caused by genotoxic agents. This assay is typically performed in cells that are actively dividing during interphase, as it allows for the evaluation of both mitotic and non-mitotic cells. By examining the frequency of micronuclei, researchers can determine the genotoxic potential of a compound and its potential to induce DNA damage or chromosomal aberrations.
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what elements are nonmetallic
Answer:
Elements: Helium; Nitrogen; Neon; Oxygen;...
Seventeen elements are generally classified as nonmetals: most are gases (hydrogen, helium, nitrogen, oxygen, fluorine, neon, chlorine, argon, krypton, xenon and radon); one is a liquid (bromine); and a few are solids (carbon, phosphorus, sulfur, selenium, and iodine).
Explanation:
*can i be the brainliest*
Select the correct answer from each drop-down menu.
A
is an agent that causes disease. All
are pathogens.
A pathogens(C) is an agent that causes disease. All viruses(C) are pathogens.
What are pathogens?For Part 1, the correct answer is C. Pathogen. A pathogen is an agent that causes disease. All pathogens are infectious agents, but not all infectious agents are pathogens. For example, the common cold is caused by a virus, but the virus is not considered a pathogen because it does not usually cause serious illness.
For Part 2, the correct answer is C. Viruses. Viruses are the smallest and simplest pathogens. They are not cells, and they cannot reproduce on their own. They must infect a host cell in order to replicate.
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Complete question:
Select the correct answer. A __ is an agent that causes disease. All ___ are pathogens.
Part 1
A. Bacteria
B. Germ
C. Pathogen
Part 2
A. Bacteria
B. Fungi
C. Viruses
Eukaryotic cells are differentiated from prokaryotic cells
because eukaryotic cells
Answer: eukaryotic cells are found in plants, animals, fungi, and protist.
Explanation:
7. When you get sick with a cold virus, your B-cells (a form of white blood cell) clone to form
thousands of antibody-producing cells.
a. Assuming that it takes B-cells 4 hours to divide, how long would it take for one B-cell to
create 1,000 antibody-producing cells? (How many cell-doublings to get to 1,000 cells?)
b. That process of creating more antibody-producing cells is how your body builds up its
defenses. Relate your answer to part A to what you experience when you get sick.
It would take approximately 40 hours for one B-cell to create 1,000 antibody-producing cells.
How do you calculate the number of cells produced in 1000 hours, and how would you relate this experience to getting sick?a. If it takes B-cells 4 hours to divide, we can calculate the number of cell-doublings required to produce 1,000 antibody-producing cells as follows:
Number of cell doublings = ㏒ (number of cells / starting number of cells)
Number of cell doublings = ㏒2 (1000 / 1)
Number of cell doublings = ㏒2 (1000) ≈ 9.97
Since each cell doubling takes 4 hours, the total time required to produce 1,000 antibody-producing cells from one B-cell would be:
Total time = number of cell doublings x time per cell doubling
Total time = 9.97 x 4 hours ≈ 40 hours
Therefore, it would take approximately 40 hours for one B-cell to create 1,000 antibody-producing cells.
b. When you get sick with a virus, your immune system responds by producing antibodies to fight the infection. B-cells are a type of white blood cell that produces these antibodies. When a B-cell encounters a virus, it clones itself to form thousands of antibody-producing cells. The process of creating more antibody-producing cells from a single B-cell takes time, as each cell division doubles the number of cells. The time required to produce a sufficient number of antibody-producing cells to fight the virus can vary depending on the severity of the infection and the individual's immune response. However, once enough antibody-producing cells have been created, they can quickly mount a defense against the virus and help to clear the infection.
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A pesticide was introduced on a farm to kill insects eating the corn crop. The farmer realized that in week 1 after using the pesticide, most of the insects were killed but by week 3 the population of insects increased and the pesticide no longer kills the insects. What is the reason for that observation?
Hello,
The observation that the pesticide was effective in killing insects in week 1 but became ineffective by week 3 is likely due to the development of resistance in the insect population.
When a pesticide is introduced, it may be very effective in killing a large proportion of the target insects. However, some insects may have genetic variations that allow them to survive exposure to the pesticide. These insects then go on to reproduce, passing on the genes that allowed them to survive to their offspring. Over time, the proportion of insects in the population with these resistant genes increases, making the population as a whole less susceptible to the pesticide. This is known as pesticide resistance.
Insects can develop resistance to pesticides through a variety of mechanisms, including mutations that make them less susceptible to the toxic effects of the pesticide, increased detoxification of the pesticide by enzymes in their bodies, or changes in their behavior that allow them to avoid exposure to the pesticide.
To combat pesticide resistance, farmers may need to use different pesticides or alternative methods of pest control. They may also need to use pesticides in a targeted and judicious manner, rotating different types of pesticides to avoid overuse of any one type and minimize the selection pressure for resistance.
How is antibiotic resistance related to Natural selection?
Answer:
Antibiotic resistance is a consequence of evolution via natural selection. The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will be a fully resistant generation.
Explanation:
The carbon cycle includes processes that release carbon into the atmosphere and places that act as carbon reservoirs. The diagram below shows both major processes that release carbon and major carbon reservoirs. Which of these disruptions would cause an excess output in the carbon cycle?
A. The destruction of terrestrial biota.
B. Increases in marine biota.
C. A reduction in the use of fossil fuels.
D. A thickening of ocean sediments.
Answer:
A
Explanation:
The destruction of terrestrial biota cause an excess output in the carbon cycle.
What are the features of carbon cycle?The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, geosphere, hydrosphere, and atmosphere of the Earth.
The carbon cycle is vital to life on Earth. Nature tends to keep carbon levels balanced, meaning that the amount of carbon naturally released from reservoirs is equal to the amount that is naturally absorbed by reservoirs.
Plants constantly exchange carbon with the atmosphere. Plants absorb carbon dioxide during photosynthesis and much of this carbon dioxide is then stored in roots, grasslands, and forests.
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Please help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
Your answer should be A Mitosis
Explanation:
What is the relationship between an organism's fundamental niche and its realized niche? (Don’t put a link or I will report!!)
A)The realized niche of an organism is usually larger than its fundamental niche.
B)The fundamental niche of an organism is usually the same as its realized niche.
C)The fundamental niche of an organism usually depends on its realized niche.
D)The fundamental niche of an organism is usually larger than its realized niche.
Most organisms' realized niches are smaller than their fundamental niches because they must adapt to existing environmental conditions and compete for resources with other species. The correct option is D)The fundamental niche of an organism is usually larger than its realized niche.
An organism's fundamental niche refers to the entire range of environmental conditions under which it can potentially survive and reproduce. This includes factors such as temperature, humidity, availability of resources, and other physical and biological variables. However, in reality, an organism's realized niche is the subset of conditions in which it actually lives and thrives. This can be due to various factors such as competition with other species, predation, and habitat availability.
The relationship between an organism's fundamental niche and its realized niche is complex and dynamic. In some cases, an organism may be able to occupy its entire fundamental niche and have no competitors or other limiting factors. However, in most cases, an organism's realized niche is smaller than its fundamental niche, as it must adapt to the existing environmental conditions and compete with other species for resources. This means that an organism's fundamental niche is usually a theoretical construct, while its realized niche is the practical reality of its existence.
Overall, the relationship between an organism's fundamental niche and its realized niche highlights the importance of understanding how species interact with their environment and with each other. By studying these interactions, we can better predict how changes in environmental conditions or species populations may affect the distribution and abundance of different organisms.
Therefore, the correct option is D)The fundamental niche of an organism is usually larger than its realized niche.
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metabolism includes both anabolism and catabolism. in hyperthyroidism, the metabolic rate is increased because . metabolism includes both anabolism and catabolism. in hyperthyroidism, the metabolic rate is increased because . anabolic reactions are increased in muscles and bones catabolic reactions are decreased in muscles and bones the rate of exergonic reactions is increased atrophied tissues (e.g., muscle tissue) compensate for their decreased mass by increasing their synthesis of macromolecules
Metabolism includes both anabolism and catabolism.
In hyperthyroidism, the metabolic rate is increased because of over secretion of thyroid hormones. Metabolism includes both anabolism and catabolism. Anabolic reactions are increased in muscles and bones. Catabolic reactions are decreased in muscles and bones. The rate of exergonic reactions is increased atrophied tissues (e.g., muscle tissue) compensate for their decreased mass by increasing their synthesis of macromolecules
What is metabolism?Metabolism can simply be defined as the sum total of all the the chemical and biochemical activities and reactions which occurs in living organisms.
However, metabolism is divided into two major parts. These are:
Anabolism: This means the building up of molecules or substances from simply onesCatabolism: It refers to the breaking down of larger molecules into simpler ones.So therefore, Metabolism includes both anabolism and catabolism.
In hyperthyroidism, the metabolic rate is increased because of over secretion of thyroid hormones. Metabolism includes both anabolism and catabolism. Anabolic reactions are increased in muscles and bones. Catabolic reactions are decreased in muscles and bones. The rate of exergonic reactions is increased atrophied tissues (e.g., muscle tissue) compensate for their decreased mass by increasing their synthesis of macromolecules
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Name the ridged bundles of muscle found projecting inside the right atrium.
a. papillary muscles
b. trabeculae carneae
c. pectinate mucles
d. intercalated discs
The ridged bundles of muscle found projecting inside the right atrium are called pectinate muscles. Thus the correct answer from the given options is option c. We know that pectinate muscles are muscular ridges found in the inner walls of the right atrium. They contribute to the contraction and relaxation of the atrium, facilitating blood flow.
Other options are incorrect because of the following reasons:
a. Papillary muscles are found in the ventricles and are involved in the function of the heart valves.
b. Trabeculae carneae are muscular ridges found in the ventricles, not the atrium.
d. Intercalated discs are specialized junctions between cardiac muscle cells, not ridged bundles of muscle.
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During chordate evolution, what is the sequence (from earliest to most recent) in which the following structures arose?1. amniotic egg2. paired fins3. jaws4. swim bladder5. four-chambered heart
From earliest to most recent in chordate evolution the structures arose in the sequence of- 2. paired fins, 3. jaws, 4. swim bladder, 1. amniotic fluid 5. four chambered heart.
It is thought that paired fins developed from gill arches, the bony hoops that support the gills. Jaw evolved from repeating pharyngeal segments, respiratory structures present in chordate ancestors firstly. Swim bladders evolved from lung tissue. The amniotic fluid to protect the developing embryo from mechanical shock. One-chambered heart evolved first, and then it evolved into the two, three and four-chambered heart.
Therefore, from earliest to most recent in chordate evolution the structures arose in the sequence of- 2. paired fins, 3. jaws, 4. swim bladder, 1. amniotic fluid 5. four chambered heart.
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Explain how the chemical structure of the carbon atom accounts for the differences between the male and female lions seen in the photo
Answer:
in male lion, two methyl groups are present in its structure while in female lion, two hydroxl groups are present in its structure
Explanation:
The chemical structure of the carbon atom is different in both male and female lion because both male and female lions have different sex harmones which are totally different from one another. In male lion, testosterone is a sex hormone whose chemical formula is C19H28O2 and two methyl groups and one hydroxl group are present in its structure while in female lion, oestradiol is a sex hormone having a chemical formula C18H24O2 and two hydroxyl groups are present.
Shingles, caused by the varicella zoster virus, can remain dormant in a person for years before causing any symptoms. The virus has a single, linear, double-stranded DNA molecule and primarily affects adults. This suggests that the virus is –
The varicella zoster virus is a herpesvirus that can remain dormant in a person for years before causing shingles.
Shingles is a viral infection that is caused by the varicella zoster virus, which is the same virus that causes chickenpox. After a person has had chickenpox, the virus can remain dormant in the nervous system for many years. When the virus reactivates, it can cause shingles, which is a painful rash that usually appears on one side of the body.
The varicella zoster virus has a single, linear, double-stranded DNA molecule and primarily affects adults. The virus is highly contagious and can be spread through direct contact with the rash or by breathing in the virus from infected individuals. Although the virus can affect anyone who has had chickenpox, it is more common in older adults and people with weakened immune systems.
The varicella zoster virus can remain dormant in the nervous system for years before causing shingles.
The virus primarily affects adults and has a single, linear, double-stranded DNA molecule. It is important to seek medical attention if you develop symptoms of shingles, as early treatment can help to prevent complications and reduce the risk of long-term effects.
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Match the adult structure on the left with the aortic arch or other arterial structure on the right. internal carotid arteries ligamentum arteriosus common carotid arteries stapedal arteries aortic arch pulmonary artery maxillary arteries A. proximal part of third aortic arch B. first aortic arch C. left fourth aortic arch D. distal part of left sixth aortic arch E. proximal part of right six aortic arch F. third aortic arch and dorsal aorta G.second aortic arch
The aortic arc, also known as the aortic arch, is a curved portion of the aorta, the largest artery in the body. It is located between the ascending and descending aorta and is responsible for supplying oxygenated blood to various parts of the body, including the head, neck, and upper limbs.
The aortic arc contains important branches such as the brachiocephalic trunk, left common carotid artery, and left subclavian artery, which further divide to supply blood to specific regions. The aortic arc plays a crucial role in the circulatory system by distributing oxygen-rich blood to vital organs and tissues.
Please note that the pulmonary artery does not correspond to any of the provided options.
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When you catch a cold, your body fights the cold virus and tries to eliminate is as quickly as possible. Why does your body react this way to a virus?