describe the structure and functioning od nephron
Answers
Explanation:
Nephron has a cup shaped upper end , called bowman's capsule. It contains a bundle of blood capillaries,called glomerulus.
The blood entering into the glomerulus carries waste materials which are filtered out in the bowman's capsule .Filtration is possible because the walls of glomerulus capillaries and bowman's capsule are very thin and are selectively permeable.
The properties of membrane allows water and small molecules in the blood to pass through them.Once the waste filtered out, the blood free from these waste materials goes into renal veins from it goes into the heart through posterior vena cava.
The fluid contain waste materials is forced out to the glomerulus capillaries in the bowman's capsule.
The filtered out fluid is known as glomerular filtrate which contains sodium ,potassium and chloride ions , glucose , amino acids along with urea , uric acid and a large amount of water
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