Describe the functioning of nephrons in kidneys
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1
nephron do the purification.
of blood at cellular level
of blood at cellular level
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Nephrons are the structural and functional unit of kidney. In our kidneys, there are millions of nephrons.
STRUCTURE OF NEPHRON
Nephron has two parts:
a) Bowman's Capsule- It is cup shaped containing cluster of blood capillaries called glomerulus.
b) A tubule- It is a tube like structure whose one end is connected to the bowman's capsule and other end to the urine collecting duct(ureter).
FUNCTION:
They remove waste products from our body like nitrogenous waste (urea) from the blood in the form of urine.
WORKING:
1. Renal artery carries dirty blood containing nitrogenous waste(urea) into the glomerulus.
2. Glomerulus filters this blood. During filteration, substances like urea, salts, water, amino acids and glucose present in the blood passes to Bowman's capsule and then enters the tubule.
3. The useful substances like glucose, salts, amino acids and water are reabsorbed into the blood through blood capillaries surrounding the tubule.
4. The liquid left behind in the tubule is urine containing less water and lots of urea.
5. The urine is carried to ureters and thereafter it goes to urinary bladder and is stored there until thrown out of the body.
Hope this helps u!!
STRUCTURE OF NEPHRON
Nephron has two parts:
a) Bowman's Capsule- It is cup shaped containing cluster of blood capillaries called glomerulus.
b) A tubule- It is a tube like structure whose one end is connected to the bowman's capsule and other end to the urine collecting duct(ureter).
FUNCTION:
They remove waste products from our body like nitrogenous waste (urea) from the blood in the form of urine.
WORKING:
1. Renal artery carries dirty blood containing nitrogenous waste(urea) into the glomerulus.
2. Glomerulus filters this blood. During filteration, substances like urea, salts, water, amino acids and glucose present in the blood passes to Bowman's capsule and then enters the tubule.
3. The useful substances like glucose, salts, amino acids and water are reabsorbed into the blood through blood capillaries surrounding the tubule.
4. The liquid left behind in the tubule is urine containing less water and lots of urea.
5. The urine is carried to ureters and thereafter it goes to urinary bladder and is stored there until thrown out of the body.
Hope this helps u!!
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