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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
Reabsorption of water from distal parts of the tubules is facilitated by hormone ______.
Glucose is taken back from glomerular filtrate ___________
(A) along with concentration gradient
(B) against concentration gradient
(C) by simple diffusion
(D) by tubular secretion
Explain the process of formation of urine with suitable diagram
Fill in the blank :
Evaporation of sweat from the skin surface has ............... effect.
State if the following statement is true or false. Correct the statement if it is false.
The Bowman’s capsule and glomerulus together form the Malpighian body.
Differentiate between
bowman’s capsule and glomerulus.
Higher Order Thinking Skill
Why do you think that urine analysis is an important part of medical diagnosis?
What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?
Proximal convoluted tubule differs from distal convoluted tubule being lined by ______
Sort the following into actively or passively transported substances during reabsorption of GFR.
glucose, amino acids, nitrogenous wastes, Na+, water
