food is vital for simulation.the nutrients obtained from it are used in manydifferent ways by the body.how the food is inconsistent beside by the digestive system and absorbed into the blood,as a result that it can be carried to all the tissues of the body.
we compulsion food for three main reasons:
.............................................................
- to supply us as soon as a 'fuel' for excitement.
- to consent to materials for grow and repair of tissues.
- to assistance stroke sickness and save our bodies healthy.
(source) https://www.google.com/search?tbm=isch&source=hp&biw=1707&bih=827&ei=