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if the avg. internal temperature of a human's body is 98 degrees (farenheit), then why is it so uncomfortable for us to be outside in 98 degree weather?

hmmm.....

2007-07-30 17:10:55 · 2 answers · asked by little12 1 in Science & Mathematics Biology

2 answers

The human body produces heat continuously. If humans could not sweat, then our internal body temperature would keep rising until it was substantially hotter than the air, at which point the difference in temperature would mean the air was absorbing heat at the same rate the human was producing it.

We are most comfortable when the air temperature is just warm enough that our bodies don't have to work hard to stay warm, but just cool enough that the continuous production of internal heat is transferred to the air at the same rate, requiring no sweating (evaporative cooling).

A naked human is usually most comfortable at an air temperature of about 80 Fahrenheit. A clothed human is usually most comfortable at an air temperature of about 72 Fahrenheit.

2007-07-30 17:18:21 · answer #1 · answered by lithiumdeuteride 7 · 0 0

b/c you'r adding 98 degrees to your own 98 degrees of body heat. your temp doesn't continuously rise but either way it's still hot.

2007-07-31 00:26:30 · answer #2 · answered by charmcityk 3 · 0 0

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