Question

Descried the functioning of nephoons​

Answer 1

Answer:

a nephron is the basic unit of structure in the kidney . a nephron is used to separate water , ions and small molecules from the blood , filters our wastes and toxins and return needed molecules to the blood . the nephron functions through ultrafiltration

Answer 2

Answer:

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• Nephrons are the microscopic structural and functional unit of the kidney. Nephrons are composed of a renal corpuscle and a renal tubule. The renal corpuscle consists of a tuft of capillaries called a glomerulus and an encompassing Bowman’s capsule.

◾Structure of a Nephrons:

• Nephrons are the basic filtering units of kidneys.
• Each kidney possesses large number of nephrons, approximately 1-1.5 million.

• The main components of the nephron are glomerulus, Bowman’s capsule, and a long renal tubule.

◾Functioning of a Nephron:

• The blood enters the kidney through the renal artery, which branches into many capillaries associated with glomerulus.

• The water and solute are transferred to the nephron at Bowman’s capsule.

• In the proximal tubule, some substances such as amino acids, glucose, and salts are selectively reabsorbed and unwanted molecules are added in the urine.

• The filtrate then moves down into the loop of Henle, where more water is absorbed.

• From here, the filtrate moves upwards into the distal tubule and finally to the collecting duct. Collecting duct collects urine from many nephrons.

• The urine formed in each kidney enters a long tube called ureter. From ureter, it gets transported to the urinary bladder and then into the urethra.

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