Out of the several hundred million sperm that were deposited into the vagina, fewer than ____ typically reach the correct fallopian tube
a. two hundred c. twenty thousand
b. two thousand d. two hundred thousand
ANS: A
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Up to the first ____ weeks of prenatal development, the gonads and genitalia of embryos are identical and undifferentiated
a. two c. six b. four d. twelve
What does current research on human pheromones suggest?
a) There is little evidence that pheromones are involved in romantic attraction. b) Pheromones cause sexual attraction but not passionate love. c) Most of our feelings of romantic attraction are produced by the action of apocrine glands. d) There is strong evidence that pheromones are involved in sexual attraction.
In some Indian and South Asian countries, the social and religious status group of a family is known as their caste.
Answer the following statement true (T) or false (F)
An episiotomy is most likely to be performed when _____ occurs.
A. quickening B. crowning C. lightening D. engagement