Welcome to Westonci.ca, your go-to destination for finding answers to all your questions. Join our expert community today! Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

Which of the following statements about the opening of the male urethra is true?

a. The internal sphincter is composed of skeletal muscle and is under voluntary control.
b. The internal sphincter is composed of smooth muscle and is controlled by the autonomic nervous system.
c. The external sphincter encircles the urethra immediately above the internal sphincter.
d. The external sphincter is composed of smooth muscle and under voluntary control.