Want this question answered?
Be notified when an answer is posted
Chat with our AI personalities
About 200,000,000.
Zero percent.Zero percent.Zero percent.Zero percent.
The mechanical power of the human heart is ~1.3 watts. It takes a much higher rate of energy turnover (~13 watts) to provide this mechanical power, since the mechanical efficiency of the heart is very low (less than 10%).
No, human evolution followe a path with many branches.
human impact
half
Nutrients provide the energy and raw materials that the human body needs.
10 percent of that energy goes to the human
Everything can somehow provide energy, except for black holes, which only suck up energy.
electrical
The human body converts food energy into work, thermal energy or chemical energy that is stored in fatty tissue.
Protein provides 4 calories of energy per gram in the human body.
The main function of carbohydrates is to provide energy? (True or False)
nutrients
It is well established that the brain uses more energy than any other human organ, accounting for up to 20 percent of the body's energy.
True
The number one source of energy for the human body is carbohydrates, which are broken down into glucose to provide fuel for our cells. Other sources of energy include fats and proteins.