An erection of the penis results most directly from:
A) the bone present in the penis.
B) dilation of the veins leading from the penis.
C) contraction of the muscles within the penis.
D) dilation of the arteries in the penis.
E) a blocking of enzymes within the penis.
Correct Answer:
Verified
Q26: Figure 50-4 Q26: Fertility is impaired when a male's sperm Q27: Which of the following sequences is incorrect Q27: In males, gonadotropin-releasing hormone stimulates the _ Q29: What is the function of inhibin? Q29: One secondary spermatocyte ultimately produces Q31: The accessory glands of the male are Q33: Both male and female gonads function to: Q34: Sperm pass through several stages during their Q35: Figure 50-4 
A) To
A) one mature
1)
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