mention the site of exchange of material between the blood and surrounding cells and draw a schematic representation of transport and exchange of Oxygen and Carbon dioxide
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a. Capillaries are the blood vessels which allow the exchange of materials between the blood and tissues.
b. Schematic representation of transport and exchange of oxygen and carbon dioxide in the human body.
b. Schematic representation of transport and exchange of oxygen and carbon dioxide in the human body.
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a . the smallest vessels have walls which are one cell thick and are called capillaries . Exchange of material between the blood and surrounding cells takes place a cross this thin wall
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