The neurons that directly innervate skeletal muscles are called

A. second-order neurons.
B. lower motor neurons.
C. first-order neurons.
D. upper motor neurons.


Answer: B

Anatomy & Physiology

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During isovolumetric phases of the cardiac cycle,

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Inexperienced cat owners often misdiagnose urinary obstruction as ________________________________________

Fill in the blank(s) with correct word

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Which kind of vessel provides a bypass for a capillary bed?

A. Vasa vasorum B. Sinusoid C. Portal vein D. Thoroughfare channel E. Metarteriole

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