Question

What work is done in the capillaries?

Answer 1

Answer:-

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Capillaries are the smallest blood/oxygen exchange vessel before they become venules and veins. They are where the metabolites and oxygen get exchanged with cells.

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Answer 2

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They bring nutrients and oxygen to tissues and remove waste products.Capillaries are the smallest of the body's blood vessels. They are only one cell thick, and they are the sites of the transfer of oxygen and other nutrients from the bloodstream to other tissues in the body; they also collect carbon dioxide waste.

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