Melanocyte-stimulating hormones are
a. secreted by the intermediate lobe of the pituitary in some lower vertebrates.
b. known to cause skin darkening in certain lower vertebrates.
c. believed to be responsible for the tanning phenomenon in humans.
d. both (a) and (b) above.
e. all of these answers.
D
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In horses, ________________________________________ is the opening of the labia to expose the clitoris while the female assumes a mating position
Fill in the blank(s) with correct word
Convection is the:
a. flow of heat waves away from the blood b. transfer of heat to the skin and then to the external environment c. absorption of heat by water (sweat) vaporization d. none of the above
Which is not a site for muscle attachment on the femur?
A. Pectineal line B. Greater trochanter C. Linea aspera D. Gluteal tuberosity E. Lateral condyle
The sympathetic postganglionic axons from the superior cervical ganglion innervatea: Sweat glands in the headb: Sweat glands in the palmsc: Smooth muscle of blood vessels in the headd: Smooth muscles of blood vessels in the antebrachial regione: Superior tarsal muscle of the eyef: Submandibular salivary gland
A. d, e, f B. b, d C. b, d, f D. a, c, e E. a, c, f