Question

the smallest artery in human body

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Answer 1

Answer:

Oxygen rich blood leaves the left side of the heart and enters the aorta. The aorta branches into arteries, which eventually branch into smaller arterioles. Arterioles carry blood and oxygen into the smallest blood vessels, the capillaries. Capillaries are so small they can only be seen under a microscope.

Answer 2

Answer:

aorta is the answer.............

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