Which are the smallest components of the cytoskeleton?

A. Microfilaments
B. Microtubules
C. Centrioles
D. Centrosomes
E. Intermediate filaments


Answer: A

Anatomy & Physiology

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The ____ system is the body's control center and communication network

a. muscular
b. digestive
c. nervous
d. cardiovascular

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Blood moves from the right ventricle into the:

A) right atrium B) pulmonary trunk (pulmonary arteries) C) pulmonary veins D) aorta

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Movement of hair cells in the semicircular canals signals

A. the direction of motion. B. the velocity of the movement. C. the frequency of the sound. D. sound waves to the brain.

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Intrinsic factor is

a. secreted by the parietal cells in the stomach b. necessary for absorption of vitamin B12 c. abundant in pernicious anemia d. both a and b e. both b and c

Anatomy & Physiology