What is the specific heat capacity of human body?

Answer 1

With regard to work output vs. caloric input, the thermodynamic efficiency of a human being is about 25%. This comes from measuring the work output of cyclists compared to the oxygen they consume. However, some of the energy value of the food people eat exits the body unused, because it is not metabolized. The unused portion might be 1/3 to 1/2 of the total energy value ingested. When the unused food energy value is included, the thermodynamic efficiency thus drops to 13% to 17%.

Answer 2

1) it works by burning fuel (say fat, a nice pure hydrocarbon).

2) only the energy extracted by burning the hydrogen is available for actual body functions.

3) burning the carbon goes ONLY to making heat.

Energy of food in is 4 to 5 times greater than maximum work done by your body (so 20 to 25% efficient).

Answer 3

The specific heat, on average, of the human body is 3470 J/(kg⋅°C).

Answer 4

Human body has a movement efficiency of 20%

Answer 5

because it consists of water in its nature has abnormally high heat capacity.

Answer 6

3,470 J/Kg/`C :)