13) when a person who lives at sea level vacations in the rocky mountains, you would
expect
a) a drop in oxygen levels.
b) the release of erythropoietin.
c) a rise in hematocrit.
d) an increase in red blood cell production.
e) all of the answers are correct.
14) when standing normally, most of your weight is transmitted to the ground by the
a) distal ends of the metatarsals and calcaneus.
b) talus and proximal metatarsals.
c) calcaneus and talus.
d) talus and cuneiforms.
e) calcaneus and proximal metatarsals.
15) describe how the arches of the foot assist in weight distribution.
16) ________ exists when the immune system does not respond to a particular antigen.
(note: be sure to capitalize the first letter of your answer).
17) what are the primary functions of the respiratory system?
18) the process of decrease in vessel diameter that occurs due to smooth muscle
contraction is called ________.