The activities of the nervous system, comprised of conscious thoughts, plans, and actions,
A) regulate all vital physiological functions.
B) include the majority of nervous activity.
C) represent only a small portion of the activities of the nervous system.
D) are all that are necessary to sustain life.
E) may require instructions or modifications from the ANS to function correctly.
C) represent only a small portion of the activities of the nervous system.
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A long bone forms by a process known as ________ ossification.
Fill in the blank(s) with the appropriate word(s).
Eskimos wear a great deal of clothing and have limited exposure to U.V. light, but do not suffer from vitamin D deficiency. A possible explanation is,
A. their exposure to U.V. light in the summer will last for a year. B. they do not need vitamin D. C. their bodies produce vitamin D another way. D. they get enough vitamin D in their diet of fish and marine mammals. E. they do not require sunlight for vitamin D formation.
The inferior rectus muscle
A. rolls the eye upward. B. turns the eye inward, toward the midline. C. rolls the eye downward. D. rotates the eye clockwise.
________ form a temporary plug to stop bleeding in a broken blood vessel.
A. Platelets B. Neutrophils C. Basophils D. Monocytes