The vertebral column contains ________ cervical vertebrae.
A) 4
B) 5
C) 7
D) 12
E) 31
C) 7
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The openings of the auditory tubes are located in the
A) laryngopharynx. B) nasal cavity. C) oropharynx. D) nasopharynx. E) larynx
Which statement about insulin is correct?
a. It promotes the insertion of additional glucose transporters in the plasma membranes of insulin-dependent cells b. It promotes glycogenesis and inhibits glycogenolysis c. Its secretion is increased in response to a fall in blood glucose concentration d. Both a and b e. Both a and c
Sodium, calcium, and bicarbonate are all described as plasma
A. solvents. B. nutrients. C. electrolytes. D. proteins. E. formed elements.
Crows are notorious nest robbers, stealing eggs from the nests of passerine birds, and they will even eat other birds if they can catch them
Adult passerines attack crows that approach their nests, darting at them and pursuing them when they fly away. What anatomical difference in the wings of passerines and crows might allow passerines to engage in such seemingly risky behavior?