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Which of the following sphincters cause the release of the urine?

Which of the following sphincters cause the release of the urine? Correct Answer Urethral sphincter

Urethral sphincter causes the release of urine to the outside of the body. This process starts when the central nervous system passes on the motor messages to the smooth muscles of the bladder. This signal initiates their contraction. Simultaneously, relaxation of the urethral sphincter takes place which causes the release of the urine.

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