Question

both kidney produce glomerular filtrate at the rate of about 125 ml or 180 liters/day,equivalent to ten times the blood volume daily,containg many essential substances including water.How does the body prevent this loss of essential substances

Answer 1

by the process of reabsorption in the tubule

hope it helps

Answer 2

the body prevent the loss of this essential substances by absorbing.

in pct, proximal convoluted tubule absorb salt,water,some amount of uric acid,etc are absorbed by active transport. presence of brush like structure to increase its surface area.

in henle's loop, recovery of salts and water takes place. approximately, 25% of sodium salts are absorbed.

in dct, distal convoluted tubule absorption of calcuim, sodium and chlorides takes place. it maintain the ph value of urine by adding protons and absorbing bicarbonates.

 

in collecting tubule,some drugs and water are absorbed.water's absorption takes place depending upon the need of the body.

hope it helps....