Thirst
Thirst is the craving for fluids, resulting in the basic instinct of animals to drink. It is an essential mechanism involved in fluid balance. It arises from a lack of fluids and/or an increase in the concentration of certain osmolites, such as salt. If the water volume of the body falls below a certain threshold or the osmolite concentration becomes too high, the brain signals thirst.
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Famous quotes containing the word thirst:
“The thirst for adventure is the vent which Destiny offers; a war, a crusade, a gold mine, a new country, speak to the imagination and offer swing and play to the confined powers.”
—Ralph Waldo Emerson (1803–1882)
“We have ... a thirst unquenchable, to allay which he has not shown us the crystal springs. This thirst belongs to the immortality of Man.... It is no mere appreciation of the Beauty before us—but a wild effort to reach the Beauty above.”
—Edgar Allan Poe (1809–1849)
“How prompt we are to satisfy the hunger and thirst of our bodies; how slow to satisfy the hunger and thirst of our souls!”
—Henry David Thoreau (1817–1862)