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  • If the stretch receptors present on the wall of the urinary bladder are removed, what is likely to happen?Option: 1 Micturition will not occur</d

If the stretch receptors present on the wall of the urinary bladder are removed, what is likely to happen?

Option: 1

Micturition will not occur


Option: 2

Micturition will take place normally


Option: 3

Excretory substances will not be filtered out from the blood


Option: 4

The osmolarity of urine will be affected


Answers (1)

best_answer

 

 

Micturition -

  • Urine formed by the nephrons is ultimately carried to the urinary bladder where it is stored until a voluntary signal is given by the central nervous system (CNS). 
  • This signal is initiated by the stretching of the urinary bladder as it gets filled with urine. 
  • In response, the stretch receptors on the walls of the bladder send signals 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. 
  • The process of release of urine is called micturition and the neural mechanisms causing it is called the micturition reflex. 
  • An adult human excretes, on an average, 1 to 1.5 litres of urine per day. 
     

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If the stretch receptors present on the wall of urinary bladder are removed, micturition will not occur. Urine formed by the nephrons is ultimately carried to the urinary bladder where it is stored until a voluntary signal is given by the central nervous system (CNS). 

This signal is initiated by the stretching of the urinary bladder as it gets filled with urine. In response, the stretch receptors on the walls of the bladder send signals 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. 

Hence, the correct option is a. 

Posted by

Kuldeep Maurya

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