The smallest blood vessel in the body is a ________

A) Purkinje fiber
B) venule
C) arteriole
D) capillary


D
Explanation: A) Purkinje fibers are not blood vessels.
B) A venule is a small vein, but it is not the smallest blood vessel.
C) An arteriole is a small artery, but it is not the smallest blood vessel.
D) Correct!

Health & Biomechanics

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