A circular _______ muscle guards the opening of the bladder into the urethra.

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Solution

Urethral sphincters are the circular muscle that guards the opening of the bladder into the urethra.

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The opening of the bladder into the urethra is guarded by a ___________

Question 34
Choose the correct path of urine in our body

(a) $k i d n e y \to u r e t e r \to u r e t h r a \to u r i n a r y b l a d d e r$
(b) $k i d n e y \to u r i n a r y b l a d d e r \to u r e t h r a \to u r e t e r$
(c) $k i d n e y \to u r e t e r s \to u r i n a r y b l a d d e r \to u r e t h r a$
(d) $u r i n a r y b l a d d e r \to k i d n e y \to u r e t e r \to u r e t h r a$

Q. The functional unit of a kidney is the

(a) nephron
(b) ureter
(c) urinary bladder
(d) urethra

Q. The receptors of the urinary bladder send a signal to the central nervous system, in response to which the nervous system sends a signal that incites the contraction of the urinary bladder. Through the urinary opening at the urethra, the urine is eliminated, and the process is called _____________.

Q. Vas deferens receives a duct from seminal vesicle and opens into urethra as ________.

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