..... are the smallest blood vessels.

CARDIOVASCULAR PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

____ are the smallest blood vessels.

A	Arteries
B	Veins
C	Capillaries
D	None of the above

Explanation:

Detailed explanation-1: -Capillaries are the smallest blood vessels in the body. How small are they? About ten of them equal the thickness of one human hair, and most are so small that only one blood cell can pass through them at a time.

Detailed explanation-2: -Out of all of the arteries in the body, the smallest arteries are called arterioles. Arterioles connect to the capillaries, which are the smallest blood vessels in the body.

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