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The walls of capillaries are very thin allowing the nutrients of cells to diffuse through them. They facilitate the diffusion of nutrients to the body by passing them through their cell walls.

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11y ago
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12y ago

they are thin i think and they can diffuse

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15y ago

Because their walls are very thin.

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Q: Why are capillaries the site of material exchange between the cells and blood?
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What Are sites of exchange between blood and tissue?

The capillaries are the primary sites of exchange between blood and tissues. Capillaries are small blood vessels with thin walls that allow for the exchange of oxygen, nutrients, and waste products between the blood and the surrounding tissues. These exchanges are essential for maintaining the proper function of tissues in the body.


What semipermeable vessel allows for the passage of material into and out of the blood?

Capillaries are the semipermeable vessels that allow for the exchange of materials, such as oxygen, nutrients, and waste products, between the blood and the surrounding tissues.


What blood vessels permit the exchange of nutrients and gases between blood and tissue?

Capillaries


From Where does blood flow to the capillaries and where the blood flows further into?

the oxygenated blood flows from arteries to capillaries and after the exchange of material in capillaries and tissues it goes to vein and veins carries this deoxygenated blood to heart.


Where does the exchange between blood vessels and cells occurs at the?

capillaries


Which materials are exchange between the blood and the body cells?

capillaries


The vessels that permit exchange of materials between the cells and the blood are termed?

Capillary: A tiny blood vessel where substances are exchanged between the blood and the body cells.


What are the thin walled blood vessels that allow the exchange of gases and nutrients between the blood and cells?

Capillaries - The endometrium (epithelial lining/wall) of the capillaries is only one cell thick optimizing diffusion/osmosis between it and the tissue cells of the body


The velocity of blood is slowest in the?

The velocity of blood is slowest in the capillaries. This allows for maximum exchange of nutrients, gases, and wastes between the blood and the surrounding tissues.


What are the small vessels where blood exchanges various materials with cells?

The human circulatory system consists of arteries, veins, and capillaries. The capillaries are the thin-walled vessels that connect arteries and veins and allow for the exchange of materials between blood and tissue fluid.


What type of vessel does nutrient exchange take place?

Nutrient exchange takes place in small blood vessels called capillaries, which have thin walls that allow for the exchange of gases, nutrients, and waste products between the blood and surrounding tissues.


Gas exchange in the lungs occurs between blood in capillaries and air in?

alveolus