Which disorder is characterized by involuntary periods of sleep that occur throughout the day?
a) narcolepsy
b) insomnia
c) sleep apnea
d) coma
e) amnesia
a
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The superior cerebellar peduncles connect the cerebellum with the
A. midbrain. B. pons. C. medulla. D. None of the above
In the body, 80% of all lymphocytes, a type of immune system cell, are thought to be present in the
A) mouth. B) small intestine. C) stomach. D) large intestine. E) appendix.
Foot proteins
a. span the gap between a lateral sac of the sarcoplasmic reticulum and a T tubule b. are believed to serve as Ca2+ channels c. bind to and pull the thin filaments inward toward the A band's center during contraction d. have characteristics a and b e. are none of the above
Conversion of spermatids to spermatozoa involves cell division
Indicate whether the statement is true or false.