What Are the Structures and Functions of Capillaries and Veins?

Answer

The structure of the capillaries relate to the functions. They have very thin walls and a large surface area. This facilitates the diffusion of oxygen and carbon dioxide.
Q&A Related to "What Are the Structures and Functions of Capillaries..."
Since they are numerous, they have a large surface area. Their walls are very thin (one cell layer) making it easy for oxygen and carbon dioxide to diffuse through them.
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The function of capillaries is to exchange materials with
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Capillaries are sites for gas exchange. Since they are numerous, they have a large surface area. Their walls are very thin (one cell layer), making it easy for oxygen and carbon dioxide
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How is a capillaries structure adapted to its function? Capillary walls are normally just one cell thick that helps to enable air, water and lipids pass through by diffusion.
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