Why do foods have to be digested?

Answer 1

Food must be chemically digested because the substances which our body needs cannot be absorbed into the blood until they have been broken down into small, soluble chemicals with the help of enzymes in our mouth. When the food is digested, its molecules are small enough to pass through the wall of the small intestine by diffusion.

Answer 2

To turn food into smaller molecules so that the food can be absorbed and turned into energy

Answer 3

It's necessary because only small soluble food molecules can be absorbed into your blood.

Answer 4

Food needs to be mechanically digested because the food has to absorb into our cells so that our cells can do the things that they need to do.

Answer 5

so that the body can get all the nurtures out of the food to keep on working

Answer 6

Food must be digested to release the calories and nutrients that we need to live.

Answer 7

eat