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Assuming your body is an engine which converts matter to energy, and that mass x gravity = weight, still holds true within the human body.

How is it possible in a 24 hour peroid to eat 8 oz of food (dry weight) and 16 oz of water (dry weight) and 8 oz of milk (dry weight) and still gain two pounds? I know 8+16+8=32, which is two pounds, but there is some subtraction to do.

Subtract 8 oz of urine (dry weight) and 8 oz of excrement (dry weight) to the math.

Subtract what you sweat out, what the moisture in your lungs exhale, I'm guessing at least one pound a day (16 oz), double that on a hot dry day, I'm still trying to look this one up.

Subtract the btu's to run a typical human body, btu's are given a weight factor somewhere, maybe in one of the links below.

http://ct.water.usgs.gov/education/trivia.htm [Broken]

How is it possible in a 24 hour peroid to eat 8 oz of food (dry weight) and 16 oz of water (dry weight) and 8 oz of milk (dry weight) and still gain two pounds? I know 8+16+8=32, which is two pounds, but there is some subtraction to do.

Subtract 8 oz of urine (dry weight) and 8 oz of excrement (dry weight) to the math.

Subtract what you sweat out, what the moisture in your lungs exhale, I'm guessing at least one pound a day (16 oz), double that on a hot dry day, I'm still trying to look this one up.

Subtract the btu's to run a typical human body, btu's are given a weight factor somewhere, maybe in one of the links below.

http://ct.water.usgs.gov/education/trivia.htm [Broken]

How much does one gallon of water weigh?

8.34 pounds

**I gained two pounds in one day (effect), over-ate at dinner (cause), but the math does not add up.**
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