To provide the energy needed to move muscles, to keep itself warm and to drive endothermic chemical, cellular processes.
What must the human body need to get energy from food is to use oxygen to produce ATP which will fuel the cells.
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.
human body obtains reactants from food
Intestine is a highly coiled tubular organ of the human body which is involved in the food digestion process of the human body. It contains various enzymes and acids that breaks down complex food material into body usable food material that can be used by the human body. Thank you.
food, water, shelter
assimilation is the absorption of nutrients from the food we eat by our body
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