What happens in micturition?

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(D) The correct answer is $D$. All of the above.Steps for Micturition:$1$. The urinary bladder fills with urine and becomes distended.$2$. Stretch rec

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All of the above

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(D) The correct answer is $D$. All of the above.Steps for Micturition:$1$. The urinary bladder fills with urine and becomes distended.$2$. Stretch receptors on the wall of the urinary bladder send signals to the $CNS$ (Central Nervous System).$3$. The $CNS$ passes on motor messages to initiate the contraction of the smooth muscles of the bladder (detrusor muscle) and the simultaneous relaxation of the urethral sphincter.$4$. This coordinated action results in the release of urine from the body.

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