Which of the following is not controlled by a negative feedback loop?
a. body temperature
b. blood oxygen concentration
c. fluid levels of the body
d. blood clot formation
d. blood clot formation
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Polio can sometimes damage the brainstem respiratory centers and result in which condition?
A) A pneumothorax B) A Bohr effect C) Atelectasis D) Ondine's curse E) Adult respiratory distress syndrome
The ________ is the base, or floor, of the mouth
A) Labia B) Soft palate C) Tongue D) Hard palate
An axis that passes through the body's center of gravity is a ___________________ axis. ________________________________________
Fill in the blank(s) with the appropriate word(s).
Which of the following does not influence the time necessary for a nerve impulse to be transmitted?
A) length of the axon B) presence or absence of a myelin sheath C) diameter of the axon D) presence or absence of nodes E) whether or not the impulse begins in the CNS