Drinking seawater is dehydrating to humans because: there is a net flow of water

Question

Drinking seawater is dehydrating to humans because:

there is a net flow of water molecules out of the cells because the solution is hypertonic

there is a net flow of water molecules out of the cells because the solution is hypotonic

there is a net flow of hydrated Na+, Cl, and other ions into the cells because the solution is hypertonic

there is a net flow of hydrated Na+, Cl, and other ions into the cells because the solution is hypotonic

there is a net flow of water molecules out of the cells because the solution is hypertonic

there is a net flow of water molecules out of the cells because the solution is hypotonic

Explanation / Answer

Ans: There is a net flow of water molecules out of the cells because the solution is hypertonic

Hypertonic : The concentration of solution outside the cell is more

Hypotonic : The concentration of solution inside the cell is more

Since the solution is hypertonic, water molecules from the cell leave the cell to establish equilibrium thus shrivelling the cells leading to dehydration of the body.

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