What is the main factor that determines the power of a muscle?

A) the total number of muscle fibers (cells) available for contraction
B) the length
C) the shape
D) the number of neurons innervating it


A

Anatomy & Physiology

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The nucleus of a neuron is housed in the

a. axon b. axon hillock c. cell body d. collaterals e. dendrites

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What is a sensation?

A. A response of a sensory organ B. A response to any conscious stimulus C. An unconscious response to a stimulus D. A response of a sensory receptor E. A subjective awareness of a stimulus

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In humans, the yolk sac ________

A) forms the human urinary bladder B) passes nutrients to the embryo after digesting the yolk mass C) is no longer a useful structure D) is the site of origin for blood cells and primordial germ cells

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 This figure shows a posterior view of the organs of the female reproductive system. What structures does number 6 indicate?

A. Mesosalpinx B. Fimbriae C. Ovarian tubules D. Mesovaria E. Cilia

Anatomy & Physiology