Question

Urethra: It is a......struc-
ture arising from urinary blad-
der and opening to the exterior
of the body. There are
urethral sphincters between uri-
sary blodder 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.​

Answer 1

Answer:

1.- tube like structure

2- smooth muscle

3 - skeletal muscle or striated muscle