Which situation is not an example of the maintenance of homeostasis in an organism? O A runner perspires while running a race on a hot summer day.
Quard cells contribute to the regulation of water content in a geranium plant.
water passes into an animal cell causing it to swell
The release of insulin lowers the blood sugar level in a human after eating a big meal.

so  it is b

Explanation:

The internal and external environment of the body becomes constant. The water passes into an animal cell and swell it up is not an example of homeostasis as the internal and external conditions of the cell are not constant. Option (D). The maintenance of the equilibrium in the body is important for the physiology and proper functioning of the body.