A person takes a concentrated solution of salt, after some time, he starts vomiting. What is the phenomenon responsible for such situation?
A
Exosmosis in intestine causes dehydration
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B
Exosmosis in intestine causes rehydration
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C
Endosmosis in intestine causes dehydration
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D
Endosmosis in intestine causes rehydration
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Solution
The correct option is A Exosmosis in intestine causes dehydration When a person drinks concentrated salt solution then it will eventually reach intestine. As salt solution contains more solutes than nearby tissues, then the water from those tissues start moving to the intestine. This process is exosmosis, in which the water molecules move from lower solute concentration to higher solute concentration through the intestinal wall. The intestine cannot tolerate strain due to extra incoming water and hence, the extra water is spilled out through vomiting.