The exchange of materials between blood and interstitial fluid is happens with the help of:
A
Arterioles
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B
Arteries
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C
Capillaries
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D
Veins
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Solution
The correct option is C Capillaries
Capillaries are the smallest of a body's blood vessels which allows the exchange of materials between blood and interstitial fluid.
They measure 5-10 μm in diameter and are only one cell thick.
They serve to distribute oxygenated blood from arteries to the tissues of the body and to feed deoxygenated blood from the tissues back into the veins, making them an essential part of the circulatory system.