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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
Define the Glomerular Filtration Rate (GFR).
Fill in the blank :
The unit of human kidney is called .....................
Fill in the blank :
Evaporation of sweat from the skin surface has ............... effect.
Name the following:
Organ where ultrafiltration occurs.
Give Reasons for the following:
As a result of ultrafiltration along with excretory products certain useful products like glucose, salt, etc. are also filtered but these are not excreted?
Identify the biological term
Consists of the kidneys, ureters and bladder.
What is the nitrogenous waste produced by amphibian larvae and by the adult animal?
Na+ excretion in the urine is reduced by secretion of ______
First step in urine formation is ______.
The pH of human urine is approximately ______.
