carbohydrates
Carbohydrates
carbohydrates
Fats are a building block as well as a type of energy. Water, however, is the MAIN building block for the human body.
glucose
An energy source that never runs out would be called: Impossible. There is no such thing as an energy source that will never run out otherwise it would break the Laws of Thermodynamics and we would all be in big trouble. Renewable energy sources are based on things like wind power, solar power which we expect will last longer than the human species.
Currently, human's conventional source of energy is fossil fuel.
Energy source
Energy
no , technically no human { animals} is an energy source on earth
GLycogen is basically just long strings of glucose molecules hooked together. They are found in muscles and the liver, and provide an energy source when glucose is not readily available in the bloodstream.
The human hand
Source of energy
Human cells
Carbohydrates
carbohydrates
Carbohydrates
In the human diet, the main source of energy is carbohydrates. In order to be used, carbohydrates are broken down into glucose that is used during respiration to produce energy.