Briefly outline how urine is formed and explain why desert mammals have much more efficient kidneys...
Briefly outline how urine is formed and explain why desert mammals have much more efficient kidneys (can produce very concentrated urine) than non-desert mammals i.e length of the loop of Henle
Homework Answers
Urine contains metabolic wastes. Whole blood from body continously filtered by kidneys in order to form urine. Nephrons present in kidney forms the urine from filterate. Blood is filtered in Glomerulus and then filterate is processed into nephron. PCT caises reabsorption of Ions and water also. Then filterate enter into loop and in loop decending limb causes reabsorption of water and impermeable to solutes. And then ascending limb which is also called diluting segment and only permeable to solutes. Then enters into DIstal convulated tubule and then in CCT after which filterate is called urine.
In desert animals urine is more concentrated because they have increased length of loop of henle in order to reabsorb more water from filterate and urine is concentrated.
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