Dehydration raises the osmotic pressure of the blood, which in turn stimulates the ________ in the hypothalamus, signaling the desire to drink fluids.

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Dehydration raises the osmotic pressure of the blood, which stimulates the thirst center in the hypothalamus, signaling the desire to drink fluids. Electrolyte center and intracellular compartment are not directly involved in this process. ADH (antidiuretic hormone) is released from the pituitary gland in response to dehydration, but it does not directly stimulate the thirst center.

Dehydration Raises the Osmotic Pressure of the Blood, Which in Turn