Multiple Choice
Most sperm cells die in the vagina when entering the female's body because
A) the sperm cannot pass through the mucus.
B) the female's reproductive tract is protected by digestive enzymes.
C) of the low pH of the vagina.
D) the sperm cells have not yet been activated to swim.
E) macrophages from the female's immune system destroy all nonself cells.
Correct Answer:
Verified
Correct Answer:
Verified
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