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Antonio runs in a marathon and his blood loses water due to the exercise. Explain in...

Antonio runs in a marathon and his blood loses water due to the exercise. Explain in which way the endocrine system is going to function.

Science   Anatomy-And-Physiology   
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Answer #1

Loss of water will stimulate the release of anti diuretic hormone from the pituitary gland. Anti diuretic hormone stimulates the kidneys to conserve more water and excrete less urine. ADH constricts the arterioles in the peripheral circulation reducing the flow of blood to the extremities, thereby increasing the blood supply to the core of the body. ADH also causes the water channel proteins known as aquaporins to move from the interior of the cell to the apical surface. This will result in increased water permeability due to which more water will be reabsorbed into the blood stream.

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