That portion of the hair that extends above the surface of the skin is the
A. cuticle.
B. hair bulb.
C. root.
D. medulla.
E. shaft.
E
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The ____________________ is a modified sympathetic ganglion that secretes hormones similar or identical to sympathetic postganglionic neurotransmitters into the blood
Fill in the blank(s) with correct word
Which of the following is not true of the vascular layer of the eye?
A) provides a route for blood vessels and lymphatics that supply tissues of the eye B) regulates the amount of light entering the eye C) secretes and reabsorbs the aqueous humor D) controls the shape of the lens E) contains photoreceptors
Damage to the pulmonary plexus that result in breathing rates that are normal or increased, but never decreased below normal indicates
A. the damage is most likely of the parasympathetic fibers. B. the damage is most likely to the sensory fibers. C. the damage is most likely to the sympathetic fibers.
Release of neurotransmitters occurs via ________.
exocytosis endocytosis phagocytosis pinocytosis