Human Males Have Muscles in the Scrotum That Serve to Regulate

question 25

Multiple Choice

Human males have muscles in the scrotum that serve to regulate the temperature of the testes. In cold weather these muscles will

• A) form "goosebumps" on the testes.
• B) relax to warm the testes.
• C) contract to warm the testes.
• D) secrete testosterone.
• E) secrete estrogen.

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