what is nephron? what is its feature ? what is its function?
Answers
The basic filtration unit in kidney is a cluster of thin walled blood capillaries called qs a nephron. Each nephron has a cup shaped thin walled upper end called as Bowmans capsule which contains of bundle of capillaries called as glomerulus. Urea formed in the liver enter the blood . When blood containing urea enters the glomerulus it gets filtered through glomerulus capillaries the selective permeable wall of capsules allows the water molecules and small molecules of other substance to pass through them and form glomerulas filtrate the glomerulas filtrate collected in the Bowmans capsule further passes through the nephron tubules where reabsorption of water and useful molecules takes place. The remaining fluid containing the waste forms the urine which is thrown out of body
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