On a warm day, would the cremaster muscle be contracted or relaxed? Why?
A) The cremaster muscle would be contracted so the scrotum would be pulled close to the body.
B) The cremaster muscle would be contracted so the scrotum could descend away from the body.
C) The cremaster muscle would be relaxed so the scrotum would be pulled close to the body.
D) The cremaster muscle would be relaxed so the scrotum could descend away from the body.
E) The cremaster muscle would be contracted so the testes can descend into the scrotal cavities.
Answer: D
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