Maintaining osmolarity is important to the body because the membranes of most cell types are freely permeable to water.
Water can pass through the membrane easily by a process like diffusion called as Osmosis.
The cell wall is freely permeable to water and nutrients since these are easily exchanged by the inner and the outer environment of the cell.
Osmolarity of the body is defined as the measure of substances that can be dissolved. If excess concentration is present then, osmolarity is also high.
Osmolarity of body increases whenever we are lacking water i.e. dehydrated and similarly osmolarity decreases when we have excess fluid in the blood.
Osmolarity increase causes a release of Anti diuretic hormones i.e. they control water level in the body. Osmosis play a vital role in the functioning of the reactions that are carried out in the body.
Learn more about Osmosis here, https://brainly.com/question/1799974
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