The internal urethral sphincter is the ________ located at the ________ in males.

A. skeletal muscle; distal end of the urethra
B. smooth muscle; junction of the urinary bladder and the urethra
C. skeletal muscle; junction of the urinary bladder and the urethra
D. smooth muscle; distal end of the urethra


Answer: B

Anatomy & Physiology

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