To provide the energy needed to move muscles, to keep itself warm and to drive endothermic chemical, cellular processes.
depends on your body. but less than you prob need. watch survivorman on discovery channel.
food provides the human body with nutrients and energy. and all living things need energy.
In the human body there is no "opening" that stores food.
An autonomous body would be a self-sufficient body, or a body that does not rely on outside input for survival. For example, an autonomous human would not need food or water for survival.
you need food because food contains protein and the enzymes are made out of protein and the enzyme speeds up the chemical reaction in a human body
For energy
they well be fat:P
Carefully.
Food
Food and water
If you use the food pyramid, then it will tell all that you need, but you don't necessarily have to follow the serving amounts.
It pushes out bowl which can be harmful to us. It also takes the nutrients out of food that we need to survive.