The Cremaster Muscle Helps Maintain Testicular Temperature

question 29

Multiple Choice

The cremaster muscle helps maintain testicular temperature. What does the action of this muscle suggest about how it is controlled?

• A) Control of the muscle is voluntary.
• B) Control of the muscle is automatic.
• C) Control of the muscle is hormonal.
• D) The muscle activates only in response to cold.
• E) The muscle activates only in response to heat.

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