Arteries have a thicker muscular layer to deal with, and help control, higher pressures inside the lumen as blood is pumped through them by the heart. And veins, have valves that help them move blood back toward the heart.
function of capillaries in leaf
The function of the capillaries in the circulatory system is to allow diffusion of wastes, oxygen, and nutrients to the tissues. The rest of the circulatory system is designed to move the blood to the capillaries so they can perform this function.
capillary
presence of many capillaries
they provide heat
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Blood capillaries
function of anchoring filaments are to held open the lymphatic capillaries. Datuna
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capillaries
The blood vessels, which include the capillaries, function to distribute nutrients such as glucose and oxygen to the body tissues and to carry wastes such as carbon dioxide and urea away from the tissues to be excreted.
They contain chloroplasts.