The different tracts within indirect motor pathways are grouped according to their primary functions. The medial pathway regulates
A. and controls precise, discrete movements and tone in flexor muscles of the limbs.
B. smooth muscle contraction in the viscera.
C. muscle tone and gross movements of the muscles of the head, neck, proximal limb, and trunk.
D. respiratory rhythm and CO2 levels.
E. heartbeat and controls blood pressure.
Answer: C
Anatomy & Physiology
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