You discover a new organism with the following characteristics: the body is wormlike and has a fluid-filled cavity, the feeding organ looks like a proboscis, and there is a complete digestive tract. The organism is probably a(n)
nematode.
annelid.
horsehair worm.
flatworm.
ribbon worm
Answers
The organism with a wormlike body, fluid-filled cavity, proboscis-like feeding organ, and complete digestive tract is most likely a ribbon worm (phylum Nemertea), option (e) is correct.
Ribbon worms, of phylum Nemertea , are characterized by their long, thin bodies and a fluid-filled cavity known as a rhynchocoel, which houses the feeding organ or proboscis. They have a complete digestive tract, which means that food enters through the mouth and exits through the anus.
Ribbon worms are found in marine environments and are known for their ability to capture and consume prey that is much larger than their own body size. They are also able to regenerate their bodies if they are damaged or injured, making them a fascinating subject of study in the field of regeneration biology, option (e) is correct.
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The complete question is:
You discover a new organism with the following characteristics: the body is wormlike and has a fluid-filled cavity, the feeding organ looks like a proboscis, and there is a complete digestive tract. The organism is probably a(n)
a. nematode.
b. annelid.
c. horsehair worm.
d. flatworm.
e. ribbon worm
Related Questions
Determine the inheritance pattern of each of the following pedigrees. Then label the genotypes of each individual in the pedigrees.
Answers
Complete dominance is an inheritance patterns in which the presence of at least one dominant allele in the genotype is enough to express the dominant phenotype. The inheritance pattern in the exposed example is complete dominance.
What is complete dominance?Complete dominance is the inheritance pattern in which the dominant allele completely masks the recessive allele.
This is the case of individuals that are heterozygous for a particular gene and express the dominant trait. The dominant allele is hiding the expression of the recessive allele.
In the exposed example, the inheritance pattern is complete dominance, and the dominant allele is the one coding for the trait. Affected individuals (or individual expressing the trait) are represented with solid figures and carry at least one dominant allele in their genotypes.
Generation I
Individual 1 ⇒ hh manIndividual 2 ⇒ Hh womanGeneration II
Individuals 1, 2 and 4 ⇒ hhIndividuals 3, 5, 6, and 7 ⇒ HhGeneration III
Individuals 1, 2, 3, 4, 7 ⇒ hhIndividuals 5 and 6 ⇒ HhYou can learn more about complete dominance at
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Describe how the jump rope could be used to model the cell membrane of a plant
cell.
Answers
Answer: Plants can use the energy from sunlight to turn water and carbon dioxide into. When the cell has enough organelles to make two cells, the division process starts. Let's discuss the process of photosynthesis again, this time taking a closer look at it. Just A long rope to represent the cell wall.
Jump rope is thin and elastic which is made by twisting two threads together which somewhat looks like a cell membrane can be used as a model for plant cell membrane.
What is cell?"The cell is structural and functional unit of life."Every organisms are made up of one or more number of cells.Each cell have various organelles that perform specific functions.What is cell membrane?"It is the outer layer of cell that separates interior of the cells to their surroundings."It is thin and flexible.Cell membrane is composed of bilipid layer in which proteins are embedded on it.It act as a semi-permeable membrane that only only specific molecules to pass through it.Hence, the thin and elastic nature of jump rope could be used to model the cell membrane of a plant cell.
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At the end process of glycolysis, the two pyruvates will now enter mitochondria to start the process of Krebs cycle. After using the 2 pyruvates in forming ATP, NADH, and FADH2, the third process will now start. This process is called the ______________?
*
1 point
a Electron Transist Change
b Electron Transport Chain
c Electron Training Chasm
d Electron Travelling Chance
Answers
After using two pyruvates in forming ATP, NADH and FADH2 the third process is known as Electron Transport chain.
In glycolysis is a ten step metabolism pathway where Glucose is metabolised and the end product is pyruvate and it gives away two molecules of ATP.
After glycolysis the pyruvates enter into the mitochondria and the Krebs's cycle starts. Krebs's cycle is a eight step cycle where the pyruvate is oxidised to acetyl CoA and it combines with a four molecule oxaloacetate to form citric acid cycle. Hence, Krebs's cycle is also known as citric acid cycle or TCA (Tricarboxylic acid) cycle. In TCA cycle two molecules of NADH and FADH2 is produced.
After kreb's cycle the Electron Transport chain starts where electrons are transported from electron efficient to electron deficient through complexes.
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Charles Darwin and Alfred Russel Wallace figured out that ____ influences the course of random evolution?
A. Dog breeders
B. Natural selection
Answers
Answer:
B. Natural selection
Explanation:
Explaination:
Answer:
B. natural selection
Explanation:
Natural Selection: Charles Darwin & Alfred Russel Wallace. A visit to the Galapagos Islands in 1835 helped Darwin formulate his ideas on natural selection. He found several species of finch adapted to different environmental niches. The finches also differed in beak shape, food source, and how food was captured.
The best way to prevent shigellossis
Answers
The best way to prevent shigellosis, an infectious disease caused by the Shigella bacteria, involves a combination of good hygiene practices and safe food handling.
Firstly, always wash your hands thoroughly with soap and water, especially before eating or preparing food, and after using the restroom, this helps minimize the transmission of the bacteria from contaminated surfaces to your mouth. Additionally, avoid consuming food or beverages from potentially unsafe sources, such as street vendors, and ensure proper food storage. Make sure to cook food at the recommended temperatures to kill any harmful bacteria present, and separate raw and cooked foods to prevent cross-contamination. Consuming properly washed fruits and vegetables, and using clean water for drinking and cooking, can further reduce the risk of shigellosis.
Travelers to areas with a high risk of shigellosis should take extra precautions, such as drinking only bottled or boiled water, and avoiding uncooked foods, ice, and unpasteurized dairy products. Finally, people with shigellosis should avoid preparing food for others until they have fully recovered to prevent the spread of the infection. So there The best way to prevent shigellosis, an infectious disease caused by the Shigella bacteria, involves a combination of good hygiene practices and safe food handling. By following these preventative measures, you can significantly reduce the risk of contracting and spreading shigellosis.
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what method is considered the best way to identify a microorganism causing infection
Answers
The best method for identifying a microorganism causing infection is to cultivate the pathogen in tissue cultures. This method allows for the growth and isolation of the microorganism, which can then be further characterized and identified. Thus, option (b) is correct.
The most reliable method for locating an infection-causing bacterium is to cultivate it in tissue cultures. In this procedure, a sample from the affected area is taken and placed in a nutrient-rich setting that encourages the growth of bacteria. The pathogen may grow and form colonies under the right circumstances, which allow for observation and research.
The individual bacterium can be identified by additional investigation, such as biochemical tests or genetic methods. This technique enables the pathogen to be isolated and characterized, assisting in the choice of suitable treatment options and preventive measures. Other techniques, such as performing radiologic studies, looking at tissues under a microscope, or looking at blood under a microscope, could yield useful information.
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The given question is incomplete, complete question is- "What method is considered the best way to identify a microorganism causing infection?
a. Examine blood under a microscope
b. Cultivate the pathogen in tissue cultures
c. Observe tissues under a microscope.
d. Use radiologic studies."
Zebra-tail lizards, found in the Mojave Desert, are small cream color lizards, with distinct black lines underneath their tails. When they see a predator, they curve their tails up & run, making them resemble a scorpion. What type of adaptation do the zebra-tailed lizards display?
A. Cryptic Coloration
B. predation
C. mimicry
D. warning coloration
E. mutualism
Answers
The adaptation displayed by the zebra-tailed lizards when they curl their tails and run, which makes them resemble scorpions is known as mimicry. Thus, the correct option will be C.
What is mimicry?Mimicry is a structural and functional similarity in two or more species that is not derived from a similar descent. Mimicry is the resemblance of one species to another, which aids in survival. The evolution of mimicry happens when a species imitates another species, such as its appearance or behavior, to survive.
The zebra-tailed lizards, which are cream-colored lizards with unique black lines under their tails, resemble scorpions when they see a predator. This action or adaptation is referred to as mimicry.
Therefore, the correct option will be C.
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How do you mathematically represent chromosomes?
Answers
Traditionally, chromosomes are represented in binary as strings of 0s and 1s, however other encodings are also possible; almost any representation which allows the solution to be represented as a finite-length string can be used.
☆...hope this helps...☆
_♡_mashi_♡_
Explanation:
All chromosomes must be completely replicated prior to cell division, a requirement that demands the activation of a sufficient number of appropriately distributed DNA replication origins. Here we investigate how the activity of multiple origins on each chromosome is coordinated to ensure successful replication. We present a stochastic model for whole chromosome replication where the dynamics are based upon the parameters of individual origins. Using this model we demonstrate that mean replication time at any given chromosome position is determined collectively by the parameters of all origins. Combining parameter estimation with extensive simulations we show that there is a range of model parameters consistent with mean replication data, emphasising the need for caution in interpreting such data. In contrast, the replicated-fraction at time points through S phase contains more information than mean replication time data and allowed us to use our model to uniquely estimate many origin parameters. These estimated parameters enable us to make a number of predictions that showed agreement with independent experimental data, confirming that our model has predictive power. In summary, we demonstrate that a stochastic model can recapitulate experimental observations, including those that might be interpreted as deterministic such as ordered origin activation times
4. What would you use to measure the distance from your house to the
school? *
meters
centimeters
mimeters
kilometers
Answers
Answer:
kilometers
Explanation:
a kilometer equals 1,000 meters
Which statement is true? a. Earth’s revolution is circular. b. Earth’s revolution is elliptical. c. Earth’s distance from the Sun is constant. d. Earth’s average distance from the Sun is 2 astronomical units.
Answers
Answer:
B
Explanation:
Which of Mendel’s laws or principles state that gametes carry one allele for each trait?
Answers
good luck to your modules
What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
Answers
The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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the tree-building method must be chosen. one could use a based (phenetic) approach or a based (cladistic approach). the cladistic approach generates trees.
Answers
In phylogenetic tree construction, two primary methods are used: the phenetic and cladistic methods. Both approaches have their advantages and disadvantages, and the chosen approach is determined by the aim of the analysis.
The phenetic approach is a method of constructing a phylogenetic tree using quantitative data. It emphasizes measuring and comparing morphological and physiological characteristics. Phenetic approach assumes that the degree of similarity between organisms reflects the degree of their evolutionary relationships.
Cladistic approach is an approach to constructing phylogenetic trees that emphasizes the evolutionary relationships among organisms based on their shared derived characters, or synapomorphies. This approach emphasizes the branching order of lineages rather than the degree of similarity between them.In conclusion, it is possible to generate trees using the cladistic approach.
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1. What is fluid? What states of matter are considered fluids?
2. What role does blood have in the human body?
3. In what way(s) can fluids be harmful to society or the environment?
4. Describe 3 examples (s) in which fluids can help a machine operator.
5. List 3 of the fluids in our bodies that are important for our survival.
Please don't copy and paste
Answers
Answer:
1. Fluids are substances such as liquid and gas that can easily flow and have random molecular motion.
2. Blood transports oxygen to many parts of our bodies. It also takes carbon dioxide to the lungs, kidneys, or other filters to be removed from our bodies.
3. When a fluid is contaminated, it may cause serious damage to the environment. For example, if an organism consumes polluted water, it could get very sick and possibly die.
4. Fluids such as water can be used to cut metal by being sprayed at a high speed. Gasoline is used to run all kinds of machines. Water can also be used to clean and cool down machines.
5. Blood, sweat, and urine are all important fluids in our bodies and are created by our bodies.
Explanation:
Really hope this helps you!
how does glucagon stimulation affect the concentration or activity of the given signaling intermediates andd enzymes
Answers
Glucagon stimulation can have various effects on the concentration and activity of different signaling intermediates and enzymes.
One important effect of glucagon stimulation is the activation of adenylate cyclase, an enzyme that converts ATP into cyclic AMP (cAMP). Increased cAMP levels then activate protein kinase A (PKA), which can phosphorylate and activate various enzymes involved in glycogenolysis and gluconeogenesis. Glucagon also inhibits glycogen synthase, the enzyme responsible for converting glucose into glycogen for storage.
Glucagon can also affect the activity of other signaling intermediates such as insulin receptor substrate (IRS) and phosphatidylinositol 3-kinase (PI3K). Glucagon can inhibit the activity of IRS, which normally facilitates insulin signaling and glucose uptake. This inhibition can lead to decreased glucose uptake and increased gluconeogenesis. Glucagon can also activate PI3K, which can lead to the activation of Akt, a protein that can stimulate glycogen synthesis.
In addition to these effects on signaling intermediates, glucagon can also affect the activity of various enzymes involved in glucose metabolism. For example, glucagon can activate phosphorylase kinase, which can then activate glycogen phosphorylase and promote glycogen breakdown. Glucagon can also stimulate the activity of fructose-1,6-bisphosphatase, an enzyme that catalyzes a key step in gluconeogenesis.
Overall, the effects of glucagon stimulation on signaling intermediates and enzymes are complex and depend on various factors such as the tissue type, duration of stimulation, and the presence of other hormones and nutrients. A comprehensive understanding of these effects requires a detailed analysis of the different signaling pathways and enzymes involved.
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I have never wanted to water-ski or wakeboard in my entire life. I am going to go water skiing for the first time this Saturday.
Which transitional word or phrase would work best to link these two sentences together?
A) and
B) for
C) nor
D) yet
Answers
Answer:
A- and
Explanation:
You are also going on Saturday. So it would be “and”.
a many-layered epithelium with flat cells would be classified as . select one: a. stratified squamous b. simple cuboidal c. simple squamous d. transitional
Answers
A many-layered epithelium with flat cells would be classified as stratified squalors.
What about stratified squamous cells?The flat squamous epithelial cells that line your blood vessels and other surfaces that need a fluid to move smoothly are typical of this type of epithelium. They also coat the air sacs in your lungs and other places where molecules need a very thin surface to travel through.This kind of epithelium typically performs defensive tasks, such as preventing bacteria from penetrating deeper tissues and/or preventing water loss.Squamous epithelial cells arranged in stratified layers make up the epidermis, or top layer, of your skin.Skin, the epidermis of the palm of the hand and sole of the foot, and the masticatory mucosa are examples of keratinized stratified squamous epithelium. Squamous (flattened and scale-like) epithelial cells make up the top layer of a stratified squamous epithelium, which is a stratified epithelium.Stratified squamous epithelium is composed of a single base layer containing stem cells, two to three layers of proliferating basaloid cells in the suprabasal area, and larger keratinized cells toward the surface. The esophageal squamous epithelium lacks a stratum corneum because it is nonkeratinizing. Because the apical layer can be replaced with the basal layer without the epithelium being harmed, stratified squamous epithelium is well suited for lining structures that are prone to abrasion or wear and tear. The top layer of skin is made up of stratified squamous epithelium that has been keratinized.Learn more about stratified squamous cells here:
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When temperature and dew point are close together (within 5 degrees), what type of weather is likely?
Answers
When the temperature and dew point are close together, within 5 degrees Fahrenheit or Celsius, it indicates that the relative humidity is high.
When the temperature and dew point in the atmosphere are in close proximity, it frequently means that fog, mist, or low clouds are likely to form. The reason for this is that the air at the surface is almost saturated, and if it cools down any further or is given more moisture, it will condense into visible moisture at its dew point.
Additionally, since the body's natural cooling mechanisms (sweating) are less effective when the temperature and dew point are close together, it can make the air feel humid and uncomfortable. This could also make people more susceptible to heat-related disorders, especially in hot and humid climates.
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Student Instructions: In this activity you are going to participate in a Discussion Board. To prepare yourself for the discussion, read the Case Study 7.1. Pathology of beluga whales in the St. Lawrence estuary, Quebec, Canada which you may find on page 399 of the textbook. Open a trend by answering one of the following questions: - Which was the origin and number of the control beluga population used to study the population of the St. Lawrence estuary? - Make a list of possible pollutants and origin which pose a toxic effect responsible of diminishing the Beluga population in the St. Lawrence estuary. - Stablish the relation chemical compound - symptom or damage for two pollutants. - Name one of the symptoms associated with endocrine disruption.
Answers
Regarding the relation between chemical compounds and symptoms/damage, let's choose two pollutants. For instance, PCBs can lead to reproductive issues in beluga whales, while mercury can cause neurological damage.
Finally, one symptom associated with endocrine disruption is the disturbance of hormone levels, leading to reproductive abnormalities in beluga whales.
The Case Study 7.1 discusses the pathology of beluga whales in the St. Lawrence estuary, Quebec, Canada. To answer the question regarding the origin and number of the control beluga population used for studying the St. Lawrence estuary population, we need to refer to the textbook's page 399.
To address the question about possible pollutants and their origins that have toxic effects on the beluga population, we can compile a list. Examples include heavy metals like mercury from industrial activities, polychlorinated biphenyls (PCBs) from electrical equipment, and polycyclic aromatic hydrocarbons (PAHs) from oil spills.
Regarding the relation between chemical compounds and symptoms/damage, let's choose two pollutants. For instance, PCBs can lead to reproductive issues in beluga whales, while mercury can cause neurological damage.
Finally, one symptom associated with endocrine disruption is the disturbance of hormone levels, leading to reproductive abnormalities in beluga whales.
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1. What is the role of the cell membrane in cell division
Answers
Answer:
Cell membrane
the main function is to control what goes in and out of the cell. It is made of a double layer of lipids (fats) imbedded with odd-looking protein molecules. Because it is a fat, only some things that are very tiny, like water and oxygen pass through this part. This is where the proteins play their part. so cell membrane help in cell division by letting things in and out.
Explanation:
credits: plaza.ufl
answer all three for brainly!
Answers
Answer:
A
C
D
NOT SURE IF CORRECT
SORRY
Explanation:
If the recombination frequency between p and o is 7. 4, and between n and o it is 7. 9, what is the likely order of these genes on the chromosome if the distance between n and p is 15. 7?.
Answers
To determine the likely order of the genes on the chromosome based on the given recombination frequencies and distance, we can use the concept of genetic mapping and calculate the map distances between the genes.
Recombination frequency between P and O = 7.4%
Recombination frequency between N and O = 7.9%
Distance between N and P = 15.7 units, First, we can calculate the map distance between P and O: Map distance between P and O = Recombination frequency between P and O * Distance between N and P
Map distance between P and O = 7.4% * 15.7 = 1.1618 units, Next, we can calculate the map distance between N and O: Map distance between N and O = Recombination frequency between N and O * Distance between N and P, Map distance between N and O = 7.9% * 15.7 = 1.2363 units, Comparing the map distances, we see that the map distance between N and O is larger than the map distance between P and O. This suggests that the gene O is located between N and P. Based on this information, the likely order of the genes on the chromosome is: N ---- O ---- P.
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Can someone please help me???
Answers
Answer:
Explanation:
can you take a better pic i may be able to help
an ovum moves from an ovary into the uterine tube where its migration toward the uterus is aided by the peristaltic contractions of the smooth tissues of the uterine tubes walls. what body systems are directly involved in the interaction described and explains how they accomplish the interaction?
Answers
The body systems directly involved in the described interaction are the reproductive system and the muscular system.
The reproductive system includes the ovaries, uterine tubes (also known as fallopian tubes), and uterus. The ovary releases the ovum (egg) during ovulation, and the uterine tube captures the ovum and transports it toward the uterus. The uterine tubes have finger-like projections called fimbriae that help in capturing the released ovum.
The uterine tube is lined with ciliated epithelial cells that create a wave-like motion called ciliary action. This motion, along with the help of muscular contractions, aids in the movement of the ovum towards the uterus.
The muscular system includes smooth muscles, which are responsible for peristaltic contractions. In the uterine tube walls, smooth muscle tissue contracts and relaxes in a coordinated manner to create peristaltic waves. These rhythmic contractions push the ovum along the length of the uterine tube towards the uterus.
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Which term names molten material found below Earth's surface?
magma
lava
basalt
gabbro
Answers
Answer:
Magma
Explanation:
Hope this helps! <3
Answer:Magma
Explanation: I hope this helps you out!
if 100 alleles contribute to a certain trait, what kind of complex inheritance pattern is this?
Answers
Answer:
Pedigrees. diagrams that shows the history of a trait from one generation to the next.
Autosomal disorders. Every disorder that is too do with genetics, but not chromosomes or genes.
sickle cell. ...
cystic fibrosis. ...
Huntington's disease. ...
complete dominance. ...
incomplete dominance. ...
codominance.
List the potential challenges you may face when conducting a Research Design to investigate the impact of a school nutrition program on grade performance of students at high school. How would you deal with them?
Answers
You would face the issues of bias in sampling and compliance of subjects. This can be avoided by having a good experimental design.
What are the challenges?It can be difficult to ensure a representative and impartial sample of participants. You can use random sampling strategies to solve this and make sure the sample has a varied range of kids from various backgrounds and academic levels.
It can be difficult to ensure that children consistently participate in and adhere to the nutrition program. Improve compliance and reduce dropout rates by putting measures like frequent reminders, rewards, and communication with students, parents, and school personnel into place.
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If a planet in our solar system is a gas giant planet it is near the sun. If a planet in our solar system is a gas giant planet it is far from the sun. If a planet in our solar system is a gas giant then it is near or far from the sun. Which is correct?
Answers
Answer: I think it's If a planet in our solar system is a gas giant planet it is far from the sun
an inflammation of the mucus memb
companied by "
Qatar"?
Answers
The condition you are referring to is called "mucositis" also called as rhinitis.
Mucositis is the inflammation of the mucous membranes lining the digestive tract, mouth, and throat. It is commonly caused by cancer treatment, particularly radiation therapy and chemotherapy. The inflammation can cause painful ulcers and sores, which can make eating and drinking difficult.
Qatar is not related to mucositis. It is a country in the Middle East. If you are experiencing symptoms of mucositis, it is important to speak with your healthcare provider for proper diagnosis and treatment.
Rhinitis is an inflammation of the mucus membranes in the nose. It is commonly accompanied by "catarrh" (not "Qatar"), which refers to the excessive production of mucus in the nasal passages, often leading to symptoms like nasal congestion and discharge, sneezing, and itching.
When there is inflammation of the mucus membranes in the nose accompanied by catarrh, the condition is called rhinitis.
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A cientit i an examining a role of an element found in fat and carbohydrate of living thing. Thi element make up 65% of human body ma which tatement decribe the element he i tudying
Answers
A client is investigating the function of oxygen, an element that makes up 65% of the human body and is found in fat and carbohydrates.
What is the role of oxygen in human body?Due to its importance in sustaining life on Earth, oxygen is the most vital element for all living things. According to some estimates, oxygen is required for 90% of our biochemical and metabolic processes. We breathe in oxygen and exhale carbon dioxide as we breathe. Hemoglobin transports oxygen from the lungs to all of the body's cells. The nose has mechanisms that clean and filter the air before it reaches your lungs, hence it is also strongly advised that you breathe through your nose. For a life full of vigor, an adequate supply of oxygen is necessary. One can utilize oxygen cylinders to increase the level of oxygen in the event that it falls.For more information on role of oxygen kindly visit to
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