The thirst center in the hypothalamus is stimulated by _____ of the extracellular fluid,

and is inhibited by _____.

A) an increase in the osmotic pressure; distension of the stomach by water
B) a decrease in sodium ions; an increase in sodium ions
C) nerve impulses from the cerebrum; nerve impulses from the thalamus
D) a decrease in the osmotic pressure; stimulation of osmoreceptors


A

Anatomy & Physiology

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