Respuesta :
Your level of thirst is a reliable guide to how much fluid you need.
What is fluid balance?
Fluid balance is a component of homeostasis in which an organism must regulate its water balance through osmoregulation and behaviour in order to maintain healthy levels of electrolytes (salts in solution) in all of its bodily fluids. The fundamental rule of fluid balance is that the body's output (through respiration, perspiration, urine, feces, and expectoration) must equal the input. For instance, in humans, the output (via respiration, perspiration, urination, feces, and expectoration) must match the input (via eating and drinking, or by parenteral intake). Hypovolemia and hypervolemia are unbalances; euvolemia is the state of normal body fluid volume, including blood volume, interstitial fluid volume, and intracellular fluid volume. All life on Earth depends on water. Humans can live without food for four to six weeks, but only a few days without water.
Electrolyte replacement may become more important in cases of excessive sweating. A modest water-electrolyte imbalance results in headaches and weariness; a moderate imbalance causes disease; a severe imbalance can potentially result in death. For instance, eating too much water too rapidly might result in water intoxication (which causes hyponatremia), which can be fatal. Volume contraction and dehydration come from water deficits in the body. Because diarrhea threatens both bodily water volume and electrolyte balances, diseases that cause diarrhea pose serious risks to the balance of fluids in the body.
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