All of the following are functions of the blood except which one?
A. Transportation
B. Protection
C. Communication
D. Regulation
Answer: C
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Select the correct statement about the summation of simple twitches
a. They can occur because of the long duration of the action potential in a muscle fiber. b. They reduce the tension in a muscle. c. They result from the slow stimulation of a muscle fiber. d. The effect is unrelated to the refractory periods of action potentials. e. The twitches resulting from separate action potentials.
Which of the following occurs in the female sexual response cycle?
a. Erection b. Tightening of the outer third of the vagina c. "Tenting" of the upper two-thirds of the vagina d. Both b and c e. All of the above
All of the following insert at the phalanges or great toe EXCEPT the ________
A) flexor hallucis longus B) flexor digitorum longus C) tibialis posterior D) extensor digitorum longus
Triploblastic animals are
A) Acoelomate. B) Pseudocoelomate. C) Coelomate. D) Partially coelomate.