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Why is the velocity of blood flow the lo...

Why is the velocity of blood flow the lowest in the capillaries?

A

The systematic capillaries are supplied by the left ventricle, which has a lower cardiac output than the right ventricle

B

Capillaries are far from the heart and blood flow slows as distance from the heart increses.

C

The totla surface area of the capillaries is larger than the total surface area of the arterioles.

D

The capillary walls are not this enough to allow oxygen to exchange with the cells.

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