The remaining undigested food is converted into faeces in large intestine and expelled out of the body through anus.
Its been degraded to two molecules of pyruvate.
assimilation is the absorption of nutrients from the food we eat by our body
The food not useed by plants are surely not wasted. They are kept for future reuse."Imaginehow resourceful plants are than humans!"
You can go 3 weeks without food and without harming your body but after that your body starts to corrupt and get weakened.
Beta-carotene
Calorie
by the time the food is digested and reaches the body parts, it gets converted into simple substances.
Energy is converted into food molecules through the various chemical bond reactions that happen in the body of the living things.
Digestion
Nuclear energy
The glucose from the food is used in every cell in the body for respiration to create energy
Food does NOT contain energy , it is converted to energy in the body as in calories
precursors
"sugar"
There are many foods that can be converted into vitamin A. These include carrots, leafy greens, as well as some vegetable oils.
We concentrate on glucose breakdown, since it dominates energy production in most animal cells.