Structure F on the skin diagram is a(n)
A) oil gland.
B) sweat gland.
C) sensory receptor.
D) wax gland.
E) naked nerve ending.
B) sweat gland.
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A deficiency of dietary iodine would result in excessive TSH secretion.
Answer the following statement true (T) or false (F)
The adaptive, or acquired, immune system
a. are non-specific b. include functions of skin and saliva c. rely on specific immune responses selectively targeted against specific antigens d. is very quick in its response e. is effective against generalized threats
A system in which blood circulates through two capillary beds before returning to the heart is called a(n)
A) circulating system B) portal system C) sinus D) anastomosis
Which form of endocytosis is nonspecific, in that it occurs by the formation of an invagination of the plasma membrane, which then fills with interstitial fluid of the immediate area?
A. active transport B. hyperosmotic vesicular entrapment C. phagocytosis D. pinocytosis E. hydrosmosis