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Capillaries

The smallest vessels in the circulatory system that are located within the tissues of the body, they transfer blood from the arteries, through the tissues to drop of nutrients and pick up waste and back to the veins.

1,213 Questions

What is the function of glomerular tubular?

The glomerular tubular function is to filter the blood plasma and create urine by reabsorbing essential substances such as water, electrolytes, and nutrients, while also secreting waste products and excess substances from the blood into the urine for excretion. It plays a crucial role in maintaining the body's fluid balance and eliminating waste products.

Which substances are exchanged between the blood in the capillaries and the air in the alveoli?

Oxygen is exchanged from the air in the alveoli into the blood in the capillaries, while carbon dioxide is exchanged from the blood in the capillaries into the air in the alveoli during the process of respiration.

What body system does the nerve cell belong to?

Neurons are the cells that carry impulses in the nervous system. They belong to both the central nervous system (the brain and cord) and the peripheral nervous system. For example, these cells can carry information from your touch receptors in the skin of your fingers to the brain where you interpret it. Perhaps what you touch is very hot. In a flash, the brain sends information back to your muscles so that you will remove the fingers as quickly as possible so you will not burn them.

What is different about the capillary exchanges seen in a capillary with fenestrations and intercellular clefts and the exchanges seen in a capillary lacking those modifications?

Capillaries with fenestrations and intercellular clefts allow for different diffusion of substances depending on structural characteristics (and permeability) of the capillary. Fenestrated capillaries are found where absorption are a priority, such as the intestines or endocrine glands, or where filtration occurs, such as the kidneys. A fenestra is an oval pore covered (usually) by a delicate membrane, and is much more permeable than a plain plasma membrane. Intercellular clefts are gaps in the plasma membrane, or areas not joined tightly, and are another way substances can enter the cell. Almost all capillaries have these. Substances can diffuse directly through the plasma membranes of cells only if the substances are lipid-soluble (like the respiratory gases), and certain lipid-insoluble substances can enter or leave the blood by passing through the plasma membranes of endothelial cells within vesicles, by endo or exocytosis.

Is ocean nasal spray toxic?

No. As Ocean Nasal Spray only contains salt and water, and none of the chemicals that are found in some other brands, it is as safe as sea water. Which means, you don't want to drink it, but it's perfectly safe when used for its intended purpose.

Actually, it also contains Benzalkonium Chloride. BZC have been known to cause allergic reactions in some people, especially on mucous membranes.

What is a Fenestrated?

A fenestrated dressing has a "window" in it, an opening that lets it fit around a tube.

How does your organs work with other systems to keep the body working?

They work together with the use of hormones and negative feedback mechanisms. There are releasing hormones as well as stimulating hormones from the pituitary gland which detect when an organ needs to be stimulated or decreased in activity. The whole mechanism is called the Homeostatic mechanism

What layer consist of endothelium?

Capillary walls consists of a single layer of flat endothelium

What is the function of a capillarie?

Capillaries make possible the exchange of molecules between blood and interstitial fluid. Sphincters open and close to regulate the flow of blood through capillary beds.

Why the colour of vein is green?

Why veins are blueThe blood in veins (not arteries) has not been oxygenated yet. Once the Oxygen is introduced the blood turns red. The term "bluebloods" does not just refer to those with a royal pedigree. Everyone's blood is blue at a certain stage in the circulatory system.

No, blood is NEVER any colour but red, just different shades. The green-blue colour is due to the veins being close to the surface and therefore being affected by the pigment in your skin.

What important things happen in the capillaries?

materials are transferred between the body's cells and the blood.
Materials are transferred between the body's cells and the blood.

Taken from: What_important_thing_happens_in_the_capillaries

(this question is actually misspelled.)

Do capillaries leak out 1.5mL of fluid a minute?

I just had the question "Every minute, about 1.5mL of fluid leaks out of the capillaries" on a true/false quiz and the answer was true.

The system whose major function is to remove excess tissue fluid is the?

Well, the kidneys and the excretory system maintain water balance in the body. When your kidneys are functioning poorly, you will see edema or swelling of the extremities. However, the fluid from circulation that pools in capillary beds are removed through the action of the skeletal muscles. As blood cells circulate, they deliver nutrients and oxygen to the capillaries in lymph or interstitial fluid. This fluid is driven back into the bloodstream or lymphatic system through the movement of muscles in the body. This is why it is important for patients in hospitals to get up and move around, if possible.

What is the function of the jugular veins?

To drain blood from the cranium into the subclavian veins into the superior vena cava into the right atrium of the heart.