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Excretory Products and their Elimination

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
 Explain why :
(c) Micturition is reflex process but is under some  control.

Micturition is the process of release
of urine.
The neural mechanisms causing it is called the micturition reflex.
The stretching of the urinary bladder activates the stretch receptors on the walls of the bladder. These receptors send signals to the central nervous system. The CNS passes the motor message to initiate the contraction of smooth muscles of the bladde and simultaneous relaxation of the urethral sphincter causing the release of the urine. 
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What is Bowman's capsule?

The double walled cup like structure present at the starting of the renal tubule is Bowman's capsule. It encloses the glomerulus capsule. 
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What is glomerulonephritis ?

Glomerulonephritis is the inflammation of glomeruli of the kidney. 
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What is the ultimate method for the correction of acute renal failure?

Kidney transplant.
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Name three uricotelic animals.

The uricotelic animals are
1. Birds
2. Reptiles
3. Insects

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 What is uremia ?

Uremia is the accumulation of urea in the blood due to the malfunctioning of the kidneys. The urea accumulation is harmful and may lead to kidney failure. 

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