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The blood-brain barrier (BBB) primarily exists in the brain, protecting it from harmful substances while allowing essential nutrients to pass through. Additionally, similar barriers are found in other organs, such as the spinal cord and the retina, which also require protection from toxins and pathogens. However, the BBB is most well-known and studied in the context of the central nervous system (CNS).

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6d ago

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What organs is the least sensitive to the lack of blood?

Heart


Does the brain liver heart or kidney contain anatomical barriers that limit some drugs from gaining access?

Yes, the brain has anatomical barriers that limit the entry of drugs. The blood-brain barrier (BBB) is a highly selective barrier formed by specialized endothelial cells that line the blood vessels in the brain. It prevents the passage of certain substances, including many drugs, from entering the brain tissue. The liver also has its own protective barriers, such as the hepatocyte membrane, which regulates the absorption and distribution of drugs.


Why is the brain important to the body?

The brain keeps the blood flow (a.k.a the heart) pumping, and that not to mention the other organs that require the brain to keep them go'in.


Why does the blood leaving most organs in the brain have less oxygen than when it entered the brain?

The brain is generally considered one organ, and yes blood delivers oxygen to the brain, so when the blood leaves the brain, it is oxygen depleted. This oxygen fuels the brain through respiration, which gives it the energy to keep you alive and constantly keep your bodily functions in line. There is a blood brain barrier though, so blood never actually enters the brain and oxygen diffuses over this barrier.


What do red blood cells do in the brain?

Red blood cells don't get as far as the brain itself; they do enter the head, and provide oxygen to the cerebro-spinal fluid in which the brain bathes. What you should understand about red blood cells and the brain is that the brain is an unusually delicate organ, in which a red blood cell can actually get in the way of the normal function of the brain, by intruding into a nerve synapse. That is why the brain does not use blood directly, as other organs do.

Related Questions

What are three organs that supplied with blood?

Lungs, brain, heart


What are the neuralgia that wrap around capillaries helping to form the blood brain barriers?

Astrocytes


What is the organs affected by anemia?

The organs affected by anemia include the heart, and the brain due to lack of oxygen in the blood.


What organs is the least sensitive to the lack of blood?

Heart


What cells and organs perform for the human body?

The blood cells, stomach, and brain do.


Does the brain liver heart or kidney contain anatomical barriers that limit some drugs from gaining access?

Yes, the brain has anatomical barriers that limit the entry of drugs. The blood-brain barrier (BBB) is a highly selective barrier formed by specialized endothelial cells that line the blood vessels in the brain. It prevents the passage of certain substances, including many drugs, from entering the brain tissue. The liver also has its own protective barriers, such as the hepatocyte membrane, which regulates the absorption and distribution of drugs.


What organs does strokes affect?

A stoke is the rapidly developing loss of brain function due to disturbance in the blood supply to the brain.


What are examples of organs found in your body?

Heart Liver Skin Brain Blood are some


Why is the brain important to the body?

The brain keeps the blood flow (a.k.a the heart) pumping, and that not to mention the other organs that require the brain to keep them go'in.


Why does the blood leaving most organs in the brain have less oxygen than when it entered the brain?

The brain is generally considered one organ, and yes blood delivers oxygen to the brain, so when the blood leaves the brain, it is oxygen depleted. This oxygen fuels the brain through respiration, which gives it the energy to keep you alive and constantly keep your bodily functions in line. There is a blood brain barrier though, so blood never actually enters the brain and oxygen diffuses over this barrier.


What do red blood cells do in the brain?

Red blood cells don't get as far as the brain itself; they do enter the head, and provide oxygen to the cerebro-spinal fluid in which the brain bathes. What you should understand about red blood cells and the brain is that the brain is an unusually delicate organ, in which a red blood cell can actually get in the way of the normal function of the brain, by intruding into a nerve synapse. That is why the brain does not use blood directly, as other organs do.


What organs perfuse blood in your body?

The heart pumps blood to all organs in the body, including the brain, liver, kidneys, lungs, and muscles. These organs are perfused by arteries that deliver oxygen-rich blood and nutrients while removing waste products. Proper perfusion is essential for the organs to function effectively.