cranial nerves iii (oculomotor), vii (facial), and ix (glossopharyngeal) supply the entire parasympathetic innervation of the head; however, only the preganglionic fibers lie within these three pairs of cranial nerves.
Answers
The parasympathetic innervation of the head is primarily supplied by cranial nerves III, VII, and IX. These nerves contain preganglionic fibers that synapse with postganglionic fibers located outside of the cranial nerves.
The postganglionic fibers then travel to various target organs in the head, including the lacrimal gland, salivary glands, and smooth muscles of the eye. While the preganglionic fibers are found within the cranial nerves, the postganglionic fibers are located outside of them and can be found in various ganglia throughout the head. The parasympathetic nervous system plays a critical role in regulating many important functions, including digestion, breathing, and heart rate.
The cranial nerves III (oculomotor), VII (facial), and IX (glossopharyngeal) are responsible for providing parasympathetic innervation to the head. These nerves play crucial roles in controlling various functions such as eye movement, facial expressions, and swallowing. Importantly, only the preganglionic fibers, which transmit signals from the brainstem to the ganglia, are located within these three pairs of cranial nerves. The postganglionic fibers, which extend from the ganglia to the target organs, are not part of the cranial nerves themselves. This arrangement allows for efficient communication and control of vital head functions by the parasympathetic nervous system.
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Related Questions
Using the information in Table 4.1 and Fig. 4.1, describe and explain the importance of diet
when treating children affected by marasmus.
Answers
Answer:
You have to provide the information in able 4.1 and Fig. 4.1 for people to be able to answer you question.
Explanation:
Which best describes a method of obtaining energy that may cause changes in water temperature and harm to fish populations?
Answers
which is a secondry disturbance
Answers
Paul gauguin’s use of the color ________ in his depiction of a crucified christ enhances the work’s connection with the seasons, and expresses a message of optimism and rebirth.
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Paul Gauguin's use of the color yellow in his depiction of a crucified Christ enhances the work's connection with the seasons and expresses a message of optimism and rebirth.
The color yellow is often associated with sunlight, warmth, and happiness. By incorporating this color into the painting, Gauguin creates a sense of vitality and hope. In his depiction of a crucified Christ, Gauguin uses yellow to symbolize the sun and its life-giving properties. The color yellow also alludes to the changing seasons, particularly spring and summer, which are often associated with growth, renewal, and the resurrection. By using yellow, Gauguin imbues the painting with a sense of optimism and rebirth, reinforcing the religious symbolism of Christ's crucifixion and resurrection.
Additionally, the use of yellow in the painting contrasts with the traditional somber and dark representations of the crucifixion. Gauguin's choice of color challenges the viewer's expectations and invites them to reconsider the religious narrative. The vibrant yellow hues evoke a sense of energy and joy, challenging the notion of suffering and death as the dominant themes in the crucifixion story.
Overall, Gauguin's use of the color yellow in his depiction of a crucified Christ not only enhances the work's connection with the seasons but also expresses a message of optimism and rebirth. Through this artistic choice, Gauguin offers a unique interpretation of the crucifixion, emphasizing the transformative power of faith and the hope of resurrection.
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what type of drugs can cross the blood-brain barrier (bbb)
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The blood-brain barrier (BBB) is a highly selective semipermeable barrier that separates the circulating blood from the brain and extracellular fluid in the central nervous system (CNS). Some types of drugs that can cross the BBB include:
1. Lipid-soluble drugs: These drugs can easily pass through the BBB because of their ability to dissolve in the lipid (fat) components of cell membranes. Examples include general anesthetics, antidepressants, and certain anti-seizure medications.
2. Small molecules: Drugs with a low molecular weight can pass through the BBB more easily than larger ones. Examples include dopamine agonists and some anti-anxiety medications.
3. Drugs that utilize transport mechanisms: Some drugs can cross the BBB by exploiting natural transport mechanisms in the barrier, such as glucose and amino acid carriers. Examples include levodopa (used in Parkinson's disease treatment) and gabapentin (an anticonvulsant).
In summary, drugs that can cross the blood-brain barrier are generally lipid-soluble, small molecules, or utilize transport mechanisms. These drugs can then interact with the brain and central nervous system, making them effective for treating neurological conditions.
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What does the motif of blood symbolize?.
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At some stage in time, blood symbolizes been associated with opposites, which include existence/loss of life, demise/redemption, - everlasting existence - innocence/massacre, illness/remedy, the Aristocracy/malediction (hemophilia in the “Blue Blood” descendants of Queen Victoria), generosity/transmission of infections, and enchantment/repulsion.
Spilled or misplaced blood makes the body weaker, combined blood undermines purity, and alcohol or drugs within the blood are poison or corrupt. At any other stage, blood denotes family tree, lineage, and procreation.
While we dream of blood, we regularly assume it is a premonition of demise. however, blood in the nonsecular realm represents power and lifestyle force. So if you see different human beings bleeding for your dream, it means their lifestyle selections are hurting them so you must select your very own course.
In Macbeth, blood symbolizes guilt for the protagonists. As blood is shed several times during the play, it sticks to the assassin and makes them remorseful and feels guilty about their moves. At the beginning of the play just after Macbeth has killed Duncan, he exemplifies blood to describe his guilt for his actions.
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Identical twins, who have inherited a gene associated with obesity, are adopted by different families. One is growing up in a very health-conscious family, while the other is growing up in a family that eats a lot of fast food and never exercises. Which statement describes their likely weights upon reaching adulthood?
A.
They will both be overweight because they both have the gene associated with obesity.
B.
They will both be of average weight because their genes will mutate as they grow and develop.
C.
The weight of the twins is difficult to predict because both genes and environmental factors affect weight.
D.
One twin will be overweight and the other will be of average weight, because they were raised in different environments.
Answers
Answer:
c
Explanation:
this statement is true and no matter what the genes say environmental parts play a huge role
Why the minerals have different effects of lowland rice and upland rice .
Answers
Answer:
አፈር ልዩነት
Explanation:
እህይውይውይእይውይውይው
The minerals have different effects of lowland rice and upland rice because of flooding.
What are minerals?For roughly 50% of the world's population, rice is the primary food crop. It is mostly grown in the upland and lowland habitats. Approximately 76% of the world's rice is produced in lowland areas.
Flood irrigation of lowland rice creates an anaerobic soil environment that results in many chemical changes in the rice rhizosphere that may affect growth and development and ultimately yield.
Due to the reduction of Fe3+ to Fe2+ and Mn4+ to Mn2+, the main changes in flooded or waterlogged rice soils are decreases in oxidation-reduction or redox potential and increases in iron (Fe2+) and manganese (Mn2+) concentrations.
Therefore, The minerals have different effects of lowland rice and upland rice because of flooding.
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What ecosystem services do you think a grassland might provide for people?
Answers
Answer:
covett
Explanation:
non
non at all
(⌐■_■)
which of the follow nerves innervate the most important abductor of the arm? group of answer choices axillary nerve thoracodorsal nerve lower subscapular nerve suprascapular nerve
Answers
Both the motor and sensory nerves halves of the axillary nerve are innervated. It has motor fibers in arm that innervate the teres minor muscle, which enables lateral rotation of the glenohumeral joint, as well as the deltoid muscle, which acts as the shoulder joint's abductor, flexor, and extensor.
The axillary nerve, commonly known as the circumflex nerve, is one of five peripheral nerves that cross your shoulder. The brachial plexus, in your neck, is where axillary nerves begin (a network of nerves in your shoulder). Your upper limbs' movement and feeling are made possible by this network of nerves.
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Why are wetlands important ?
Answers
Answer:
Far from being useless, disease-ridden places, wetlands provide values that no other ecosystem can. These include natural water quality improvement, flood protection, shoreline erosion control, opportunities for recreation and aesthetic appreciation and natural products for our use at no cost.
Explanation:
I hope that this helped you ;)
6
If someone has integrity, they _____.
Answers
What is true of Step 2 of
Koch's Postulates?
A. Pathogen does not have to be completely
isolated.
B. Pathogen is grown inside the organism.
C. Pathogen must be isolated from the sick
organism.
Answers
The truth about the step two(2) of Koch's Postulates is that Pathogen must be isolated from the sick organism. That is option C.
What is Koch's Postulates?The Koch's Postulates is defined as the guidelines that was developed by Koch in the late nineteenth century to help establish the abilities that microbes have to cause specific diseases.
The Koch's Postulates include the following steps:
Step 1: The microorganism must be found in diseased but not healthy individuals.
Step 2: The microorganism must be cultured from the diseased individual.
Step 3: Inoculation of a healthy individual with the cultured microorganism must recapitulated the disease; and finally.
Step 4: The microorganism must be re-isolated from the inoculated, diseased individual and matched to the original microorganism.
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(Option C) Pathogen must be isolated from the sick organism is true of Step 2 of Koch's Postulates.
What is Koch's Postulates?Koch's postulates are four standards intended to prove a link between a microbe and a disease. Based on prior ideas presented by Jakob Henle, the postulates were created by Robert Koch and Friedrich Loeffler in 1884. Koch then improved and published the claims in 1890.
Koch's Postulates stepsPostulate 1: The microbe must be prevalent in all diseased organisms but not in healthy ones.Postulate 2: The bacterium must be isolated from a sick organism and cultured in pure culture.Postulate 3: When put into a healthy organism, the cultured microbe should result in sickness.Postulate 4: The bacterium must be reisolated from the experimental subject that had been infected and became ill, and it must be determined that it is the exact same microorganism that was the initial particular causal agent.Learn about Koch's Postulates here https://brainly.com/question/711971
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Human chorionic gonadotropin (HCG) A. is secreted from the corpus luteum B. is secreted from the myometrium in the uterus C. is secreted from the placenta D. none of these E. stimulates placental secretion of estrogen and progesterone
Answers
Human chorionic gonadotropin (HCG) is secreted from the placenta.
During pregnancy, the placenta's syncytiotrophoblastic cells largely generate the hormone human chorionic gonadotropin. To keep the pregnancy going, the hormone stimulates the corpus luteum to release progesterone. Along with the pituitary, the liver, and the colon, other organs that produce less HCG include the colon.The two subunits of HCG are HCG alpha and HCG beta . HCG injections are frequently used to promote ovulation in assisted reproductive treatments because they boost progesterone production in the corpus luteum during the early stages of pregnancy.It signals the body to stop menstruating and thickens the uterine lining to support a developing embryo.After fertilization, HCG levels increase and stay elevated for another 10 weeks or more of pregnancy.learn more about Human chorionic gonadotropin here: https://brainly.com/question/12978175
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Defend your selection for Question 2. Why is your choice not scientifically testable?
Answers
Which is a nonrenewable resource?O soilO fishO woodO coal
Answers
Answer:
coal
Explanation:
The nonrenewable resource among the given options is coal.
Coal is a fossil fuel that forms over millions of years from the remains of plants and trees that were buried and subjected to high pressure and heat.
Once coal is extracted from the earth, it cannot be replenished on a human timescale, making it a nonrenewable resource.
Coal is primarily used for electricity generation and industrial processes, but its combustion produces greenhouse gases, which contribute to climate change.
Soil, fish, and wood are renewable resources that can be replenished naturally over time. Soil can be improved and conserved through sustainable farming practices, while fish populations can be maintained through responsible fishing practices and conservation efforts.
Wood is a renewable resource when harvested sustainably from managed forests or plantations.
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True or False. The bolded word in this sentence is used correctly.
I took at deep (BREATH) of fresh air.
O True
O False
GIVING BRAINLIEST!
Answers
Answer: True
Explanation:
It makes sense, I took a deep breath of fresh air. There's nothing.
By the way, you put at instead of "a". "I took at deep". It's supposed to be a instead of at
how does the cell organelles that are directly involved in the process of cell division participate in the process?
pls help asap
Answers
Centrioles are the organelles involved in cell division
What is cell division?
The process by which a parent cell divides into two daughter cells is known as cell division. Cell growth and chromosome replication precede cell division, which often happens as part of a longer cell cycle. Meiosis is a type of cell division that creates haploid gametes for sexual reproduction by reducing the number of chromosomes from two of each type in the diploid parent cell to one of each type in the daughter cells. Mitosis is a type of cell division that produces daughter cells that are genetically identical to the parent cell.Role of centrioles in cell division:
The fundamental units of centrosomes are centrioles, which are tiny cylinders (microtubules). Each centrosome is made up of two centrioles, which are each made up of nine microtubule triplets organized in the shape of a cylinder. Centrioles are hypothesized to be involved in the completion of cytokinesis during the process of cell division and are in charge of arranging the spindle fibers in the mitotic spindle apparatus.Hence the centrioles are the organelles involved in the prosses of cell division
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Walter and Luis Alvarez hypothesized that an asteroid impact caused the formation of a 66- million-year-old layer of clay containing high levels of iridium. How did geologists test this hypothesis? What evidence did they look for? PLEASE HELP ME FAST!!!
Answers
Answer:
To test this hypothesis, geologists around the globe measured iridium concentrations at sites known to be 66 million years old. Because geologists knew that asteroid impacts cause minerals to fracture, they also measured the clay layers for shock-fractured minerals, like quartz.
Explanation:
These geologists raised this hypothesis because of the large crater that was in this place and the amount of fossils that are in the K / Pg boundary layer. Also the high levels of iridium.
In 1979 the scientists Luis Alvarez and Walter Alvarez led the discovery of a carbonate clay layer with iridium concentrations ten times higher than those expected in the Yucatan Peninsula.
This allowed them to propose a hypothesis about the mass extinction of dinosaurs caused by the collision of an asteroid in the Earth's crust because iridium is a rare element in the Earth's crust and ten times more concentration of it was found in this area.
On the other hand, this hypothesis was reinforced when in other parts of the world it was found that the boundary layer k / Pg had high concentrations of iridium.
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Please describe this picture using directional terminology, body planes and body movements.
Answers
The human body is a complex organism and understanding its structure and functions requires a thorough knowledge of directional terminology, body planes, and body movements. In this image, we can see a person performing a side plank exercise which is an effective core-strengthening exercise.
We can also use directional terminology to describe the person's movements. The person is performing a lateral flexion to the side while maintaining an isometric contraction of the core muscles. The movement involves the transverse axis of the body, which runs from front to back, perpendicular to the frontal plane.
In conclusion, this picture shows a person performing a side plank exercise, positioned on the frontal plane and performing a lateral flexion movement. The person is using their core muscles to maintain the position while one arm is supporting their weight and the other arm is extended towards the ceiling.
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flippered animal like a seal or walrus is called
Answers
The marine mammals with front and back flippers are referred to as "pinnipeds," which is a synonym for "fin- or flipper-footed."
What is Pinnipeds?The marine mammals with front and back flippers are referred to as "pinnipeds," which is a synonym for "fin- or flipper-footed." Animals that live in the ocean but can spend a lot of time on land in this group include seals, sea lions, and walruses.
Pinniped relatives were land-dwelling animals millions of years ago. These were likely creatures that resembled weasels or bears that gradually became more accustomed to life in the ocean as they spent more time there.
Marine mammals in the phocid family can be recognized by their ears and flippers. They are sometimes known as real seals or earless seals. Despite not having external ear flaps, they have ear openings.
On land, they galumph by swaying back and forth on their bellies, using their little front flippers as well. True seals use their rear flippers to push themselves through the water while at sea by moving them back and forth like a fish tail.
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Virtually all akoyas and the overwhelming majority of freshwater cultured pearls are.
Answers
Virtually all Akoya and the overwhelming majority of freshwater cultured pearls are of the same species.
The statement suggests that the Akoya pearls and the majority of freshwater cultured pearls come from the same species. The species referred to here is the Pinctada fucata martensii, commonly known as the Akoya oyster. Akoya pearls are saltwater pearls produced by this specific oyster species.
Akoya oysters are primarily cultivated in saltwater environments, particularly in Japan and China. These oysters are highly valued for their lustrous and round pearls, making them a popular choice in the pearl industry. The process of pearl cultivation involves the insertion of a nucleus, often a bead made from a mussel shell, into the oyster, which then secretes layers of nacre to form a pearl.
While there are other species of oysters used for pearl cultivation, such as the freshwater mussels for freshwater pearls, the statement emphasizes that the majority of freshwater cultured pearls also come from the same species as Akoya pearls. This indicates that Pinctada fucata martensii is a widely utilized and significant species in the production of cultured pearls.
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MARK YOU THE BRAINLIEST!
A student performed an investigation on the homeostasis of red blood cells and the effect of different environmental conditions on the red blood cells. Images of the results of the investigation were captured under the microscope and are illustrated here. Which statements are supported by the results of the investigation? Select ALL that apply.
Answers
Answer:A,B,E
Explanation:
That’s what the answer is
The correct option are A,B and E of the homeostasis of red blood cells and the effect of different environmental conditions on the red blood cells.
Let's learn more about this condition
Homeostasis:A property of cells, tissues, and organisms that allows the maintenance and regulation of the stability and constancy needed to function properly.
Red blood cells condition in resuled image:Slide I: Is hypertonic condition which means the solution with the higher solute concentration.Slide II: Is isotonic condition which means solutions of equal solute concentration.Slide III: Is hypotonic condition which means solution with the lower solute concentration.Thus, we can conclude that slide II is only in homeostasis condition.
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identify whether the example describes an anabolic or catabolic pathway.
Answers
Anabolic route:
- Amino acid units are used to build protein molecules.
- From CO2 and H2O, photosynthesis produces store carbohydrates.
Catabolic route:
Nucleotide subunits are separated from a nucleic acid molecule.
One glucose molecule is transformed by glycolysis into two pyruvate molecules.
The process by which sugar is made from CO2 is one illustration of an anabolic route. Creating big proteins using amino acid construction blocks & creating new strands of DNA from nucleic building pieces are two further examples. The process of eating, in which various enzymes decompose food particles as they'll be absorbed by small intestine, is an illustration of a catabolic response. Anabolic pathways are those that employ energy to produce smaller molecules from larger ones (biosynthesis).
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1. What makes water so unique?
Answers
Answer:
It is the reason the sky is blue
Explanation:
Animals like pigs with multiple stomachs are called:.
Answers
cows are another example
True or False:
Newton's 3rd Law states, "all forces come in pairs that are equal in magnitude and opposite
in direction."
Answers
Which type of growth can occur only when a population has unlimited resources?
limited
logistic
exponential
negative
Answers
Answer:
c. on edge
Explanation:
When resources are unlimited, populations exhibit exponential growth, resulting in a J-shaped curve. The correct answer is c) exponential.
What is the exponential growth curve?Exponential growth curves and logarithmic growth curves are the two different forms of growth curves. In an exponential growth curve, the slope increases steadily over time. A logarithmic growth curve has a steeply increasing slope that gradually flattens out over time.
The exponential growth curve, which has a J-shape, shows a period of time where the results develop rapidly and steadily. It is the reverse of gradual progress. This curve initially climbs gradually before accelerating, which represents multiplied growth.
With exponential growth, a population's growth rate per capita (per person) remains constant regardless of population size, causing the population to expand exponentially as it grows larger. In nature, populations may expand exponentially for a while, but ultimately, their growth will be constrained by the availability of resources.
Exponential expansion happens when resources are unrestricted. Due to the favorable conditions, there are a lot more births as a result of the food excess.
Therefore, the correct answer is c).
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what do you use to mesure liqued volume
Answers
graduated cylinder or a buret can be used to measure the volume of liquids.
Other common Measuring InstrumentsSpeedometers, measuring tape, thermometers, compasses, digital angle gauges, levels, laser levels, micrometers, measuring squares, odometers, pressure gauges, protractors, rulers, angle locators, bubble inclinometers, and calipers are examples of common measuring tools.
The three measurements are:
length, width, and heightThe above enables us to convey the volume
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Location X and Y are adjacent. Location X has a lower air pressure than Location Y. What will most likely happen?
Wind will blow from one location to another.
Air above Location Y will rise up and condense.
Temperature at the two locations will become equal.
Convection currents of air above the two locations will stop.
Answers
Answer:
Wind will blow from on location to another.
Explanation:
I hope this helps!!!
Answer:
A, Wind will blow from one location to another.