The area of the motor cortex that is devoted to a particular region of the body is proportional to the
A) size of the body area.
B) distance of the body area from the brain.
C) number of motor units in that region.
D) number of sensory receptors in the area of the body.
E) size of the nerves that serve the area of the body.
Answer: C
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When medical students study all of the structures in a particular area of the body as a unit (for example, all the muscles, blood vessels, and nerves of the leg), that approach is called
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A. RNA. B. genes. C. cytosol. D. chromosomes. E. chromatin.
A polyp is a small tumor with a stem
Indicate whether the statement is true or false.