Biology
Anup participated in a marathon race and felt dehydrated by the end of the race. The human body has mechanisms to conserve water and prevent dehydration. Which part of the nephron is primarily responsible for the reabsorption of water to prevent dehydration?
- Glomerulus
- Proximal Convoluted Tubule
- Loop of Henle
- Distal Convoluted Tubule
(a) 3
(b) 2 and 3
(c) 1, 2 and 3
(d) 2, 3 and 4
Excretory System
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Answer
2, 3 and 4
Reason — Water is mainly reabsorbed in the proximal convoluted tubule, loop of Henle, and distal convoluted tubule of the nephron to help the body save water and prevent dehydration. The glomerulus only filters blood, it doesn't reabsorb water.
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