Which hormone has only one known effect:
to stimulate milk production by the breasts?
A) oxytocin
B) estrogen
C) progesterone
D) prolactin
D
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Bitter taste is elicited by ________
A) acids B) alkaloids C) hydrogen ions D) metal ions
Some fish and arthropods have micropiles by which sperm reach the ovum
Indicate whether the statement is true or false
The coccygeal plexus innervates _____.
a. the skin of the thigh b. the dorsal skin of the feet c. the muscles of the pelvic floor d. the intrinsic muscles of the feet
If you were to rub your finger over the surface of your face, you would notice that the skin is oily. What makes up the oil?
A. Waste material (bilirubin) from dead red blood cells B. Ruptured cells from sebaceous glands C. Extracellular fluid not drained by the lymphatic system D. Waste material from cellular metabolism E. Plasma leakage from damaged blood vessels