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उत्तर
In a nephron, the blood .enters by afferent arteriole and is filtered through the glomerulus. The filtrate is passed into the Bowman’s capsule; by the process called ultrafiltration. The filtrate contains useful products like glucose, amino acids, salts, etc. The plasma proteins, blood corpuscles, and platelets are retained in the glomerular mass. The filtrate now passes through Henle’s loop where selective reabsorption of useful products takes place but urea and uric acid are not absorbed. Now the excretory substances are secreted by proximal and distal convoluted tubule and urine is formed.
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संबंधित प्रश्न
Explain the autoregulatory mechanism of GFR.
Add a noteon composition of urine.
Put a tick mark (✓) against the most appropriate alternative in the following statement :
Besides water, the urine mainly contains :
Define the following:
Dialysis
What is meant by osmoregulation?
Fill in the blank.
........................ is found in the seeds of poppy plants.
Define the following term:
Ultrafiltration
What is micturition?
Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through ______.
Proximal convoluted tubule differs from distal convoluted tubule being lined by ______
