Digestion breaks down food into energy.
the digestion of food is necessary for us to get energy
Nutrients and energy from the food are absorbed into your body.
Humans have chemical energy stored in the form of glucose and other nutrients from food. This energy is converted into kinetic energy to power the muscles and movement, as well as to maintain body functions such as breathing, digestion, and brain activity.
Cellular respiration.
chemical digestion
That would be mechanical digestion.
Taking in nutrients and rendering the nutrients in a form the body can use for energy, growth, and good health requires the digestive process. The correct answer should be "Digestion"
Digestion
food and glucose
The digestion system converts food into energy.
Energy is related to poo in the way that poo is the waste product of digestion, and digestion is the process whereby we extract and break down nutrients into their simpler form, some of which is glucose (energy).