Question

Explain micturition.​

Answer 1

Here's the Answer

The process of passing out urine from the urinary bladder is called micturition. Urine formed by the nephrons is ultimately carried to the urinary bladder where it is stored. This causes stretching of the wall of bladder that leads to the stimulation of stretch receptors on the walls of the bladder. This sends signal to the CNS. The CNS passes on motor messages to initiate the contraction of smooth muscles of the bladder and simultaneous relaxation of the urethral sphincter causing the release of urine.

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Answer 2

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• $\large\underline{\sf\red{ Micturition \: :- }}$

$\huge\bold\green{ ~❥~ }$ The passing out of urine is called $\tt\pink{ micturition }$.

1. Urine formed in kidneys is called urinary bladder through ureters.
2. Urinary bladder gets filled with urine.
3. The bladder stretches.
4. The stretch receptors on the wall of bladder send signals to central nervous system.
5. The $\tt\blue{ CNS }$ send motor messages for the contraction of smooth muscles of the bladder and for the relaxation of $\tt\orange{ urethral \: sphincters }$.
6. Urine is released.
7. The neural mechanism involved is $\tt\purple{ micturition \: reflex }$.

$\huge\colorbox{yellow}{ ~❁~ DIVYA ~❁~ }$