What drains capillary beds?
A) venules
B) venae cavae
C) arterioles
D) arteries
A
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The human brain is the consistency of tofu and typically weighs about eleven pounds
a. True b. False Indicate whether the statement is true or false
Which of the following is involved in the gradation of muscle contraction?
a. variation in the number of motor units activated b. variation in the frequency of action potentials initiated in each muscle fiber c. variation in the size of the action potentials initiated in each muscle fiber d. both (a) and (b) above. e. all of these answers.
Contractions of the bulbospongiosus muscles result in
A) erection. B) emission. C) ejaculation. D) detumescence. E) impotence.
Intracellular fluid volume is normally what percent of body weight?
A. 60% B. 40% C. 20% D. 10% E. 5%