explain detailed the steps involved in the formation of urine
Answers
Answer:
Filtration, Reabsorption, Secretion: The Three Steps of Urine Formation. ... There are three main steps of urine formation: glomerular filtration, reabsorption, and secretion. These processes ensure that only waste and excess water are removed from the body.
Answer:
1) glomerular filtration
2) tubular re- absorption
3) tubular secretion
Explanation:
Formation of urine involves four stages
1) glomerular filtration :-
blood flows from renal artery to glomerulus through afferent arteriole.
2) tubular re - absorption :-
filtration from glomerular is also known as primary urine which almost equal to blood in chemical composition except the presence of blood cells .it passes into proximal convoluated tubule . useful substances in primary urine are reabsorbed into peritubular net work
3) Tubular secretion:-
after a reabsorption in PCT region, the urine travels through the loop of Henle into DCT .here some other wastes like extra salts ions K+ Na+ CL- and H+ secretes from peritubular capillaries in to DCT. it occurs mostly in the distal convoluated tubule,which is also surrounded by peritubular capillaries. this maintains a tubular secretion also takes place in the area of proximal convoluated tubule .
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