Question

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quiz: urinary system
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how much do you know about the urinary system, which makes pee? find out by taking this quiz!
quiz: urinary system
q.6
the ______ is a muscle that prevents urine from exiting the bladder until youre ready to pee.
a) calf
b) quadriceps
c) pectoral
d) sphincter
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Explanation:

The question asks for the muscle that controls urine release from the bladder. Calf, quadriceps, and pectoral muscles are all limb/chest muscles unrelated to the urinary system. The sphincter muscle surrounds the bladder opening and holds urine in until voluntary release.

Answer:

D) Sphincter