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49.The blood vessels which carrycarbondioxide rich blood from allparts of body back to heart:-*O A. ArteriesO B.VeinsO C. CapillariesO D. Auricles​

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Answer:

Capillaries

Capillaries are small, thin BLOOD vessels that CONNECT the ARTERIES and the veins.

Their thin walls ALLOW OXYGEN, nutrients, carbon dioxide and waste products to pass to and from the tissue cells.



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