The two divisions of the efferent side of the peripheral nervous system are
A) the sympathetic and parasympathetic divisions.
B) somatic motor neurons and autonomic neurons.
C) voluntary nervous system and somatic motor neurons.
D) somatic motor neurons and voluntary neurons.
B) somatic motor neurons and autonomic neurons.
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Indicate whether this statement is true or false.
An important role of progesterone in the reproductive process is to _____.?
A) ?maintain the growth and thickening of the endometrium B) ?encourage the breakdown of the lining of the endometrium C) ?stimulate the rupture of the follicle D) ?stimulate the creation of the corpus luteum
Adaptive immune responses differ from innate immune responses in that the former are mediated by lymphocytes
Indicate whether the statement is true or false.
In fetal circulation, the blood containing the highest amount of oxygen is found in the
A. aorta. B. umbilical vein. C. ductus arteriosus. D. umbilical arteries. E. heart.