The ________ conducts sperm into the abdominal cavity through the inguinal canal.
A. bulbourethral gland
B. urethra
C. vas deferens
D. epididymis
Answer: C
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Below the oral cavity, the __________ has superior, middle, and inferior constrictor muscles.
Fill in the blank(s) with the appropriate word(s).
Which is not characteristic of neurons?
A. High metabolic rate B. Extreme longevity C. High mitotic rate D. Require continuous supplies of glucose and oxygen E. No exceptions; all of these are characteristic of neurons
The embryonic membrane that completely encloses the embryo in a watery sac is the ________.
A. ectodermal sac B. chorion C. allantois D. yolk sac E. amnion
The length of hair is determined by the
A. size of the hair bulb. B. age of the person. C. length of the resting stage. D. angle of the hair root. E. rate of hair growth.