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Safety Tip – Staying Hydrated
Water is a critical element of the body, and adequate hydration is a must to allow the body to function. Up to 75% of the body’s weight is made up of water. Most of the water is found within the cells of the body. The rest is found in the extracellular space, which consists of the blood vessels and the spaces between cells.
Dehydration occurs when the amount of water leaving the body is greater than the amount being taken in. The body is very dynamic and always changing. This is especially true with water in the body. We lose water routinely when we:
- Humidity can be lose by breathe
In a normal day, a person has to drink a significant amount of water to replace this routine loss.
The formula for daily fluid requirements depends upon an individual’s weight. Normally, fluid and weight are calculated using the metric system; however, below is the approximation in imperial (American) units.
|Body Weight||Daily Fluid Requirements|
|75 pounds||55 ounces|
|100 pounds||60 ounces|
|150 pounds||65 ounces|
|200 pounds||70 ounces|
The body is able to monitor the amount of fluid it needs to function. The thirst mechanism signals the body to drink water when the body is dry. As well, hormones like anti-diuretic hormone (ADH) work with the kidney to limit the amount of water lost in the urine when the body needs to conserve water.