the energy sources are, in order of use; sugars, fats and muscles. Easily broken down, yes.
broken down energy from food.
The release of Energy
It provides a slow release of energy. It can be stored in the liver, muscles or tissues and extra starch is broken down into simple sugars and stored as fat.
When food is broken down the stored energy is in your cells. When the energy is needed, the cells release the energy.
Fermenation
sugarsugarsugar
energy is release by the breaking of bonds
When sugar is broken down during digestion - it releases energy - which fuels our muscles.
Glucose is broken down to release energy during respiration.
Able to release energy easily.
Oxygen
ATP