......... struc-
Urethra: It is a
ture arising from urinary blad-
der and opening to the exterior
of the body. There are
urethral sphincters between uri-
nary bladder and urethra.
a. Internal sphincter : Made up
of ............ muscles, involuntary
in nature.
b. External sphincter : Made up
of
muscles, voluntary
in nature.
If this valve is not functioning
properly during inflammation
of bladder, it can lead to kidney
infection.
Answers
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Answer: detrusor , smooth muscle
striated muscle
Explanation:
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