An important function of the kidney is the regulation of the water content of the blood. Describe how the body responds to a decrease in the water content of the blood.
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Water moves out of the kidney tubules through the aquaporins, reducing urine volume. The water is reabsorbed into the capillaries lowering blood osmolarity back toward normal. As blood osmolarity decreases, a negative feedback mechanism reduces osmoreceptor activity in the hypothalamus, and ADH secretion is reduced.
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when the body is low in water the pituitary glands secretes vasopressin into the blood stream. vasopressin stimulates the kidneys to conserve water and excretes less urine...
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