HLTH 216 Lecture Notes - Lecture 55: Sports Drink, Thermoregulation, Frequent Urination
22 Mar 2018
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The body is constantly trying to remain cool and disperse the heat that it produces. If you do not rid your body of excess heat fast enough, damage to the brain and other vital organs will result. The body releases heat into its surroundings when air temperature is 70 f or less. As environmental temperature approaches the body"s temperature, heat loss through radiation is reduced. Water makes up about 50% to 60% of an adult"s body weight. About 2 quarts of water are lost daily through: An adult requires about 2 quarts a day. A working adult can produce 2 to 3 quarts of sweat an hour. When you are thirsty, you are already dehydrated. While working outside in hot weather, drink 8 ounces of water every 20 minutes. Control movement of water in and out of cells. Drinking more than 1 quart of water an hour. Sweat can cool the body if it evaporates.
