Out of the 200–500 million sperm cells that are released during an ejaculation, only ____ complete the short journey up the Fallopian tubes to where an egg is waiting to be fertilized
a. half
b. a few thousand
c. a few hundred
d. a few hundred thousand
c
Psychology
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John will likely experience the REM rebound effect tonight if he:
a) takes a sleeping pill before bed tonight. b) drinks too much caffeine prior to sleeping. c) did not sleep much last night. d) slept more than 8 hours last night.
Psychology
Adult children are LEAST likely to return home to live with their parents in which of the following cultures or settings?
a. in Italy b. in Asian families c. in urban areas in the United States d. in rural areas in the United States
Psychology