Skeletal muscle that surrounds the urethra as it extends through the pelvic floor forms the

Skeletal muscle that surrounds the urethra as it extends through the pelvic floor forms the


A. trigone.

B. lamina propria.

C. external urinary sphincter.

D. internal urinary sphincter.

E. involuntary portion of bladder control.


Answer: C. external urinary sphincter.


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Biology Chapter 26

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