Digestion in Hmuans

Digestion is the breakdown of large insoluble food molecules by enzymes into small-water soluble food molecules.

This small-water soluble food molecules are absorbed into the blood.

The body needs only the nutrients in the food. The nutrients are also needed in its simplest form.

Digestion is the process through which the body can extract the nutrients fromthe food.

For example, digestion makes it possible for the body to extract amino acids from the fish that has been taken into our body.

It also makes it possible for the body to extract glucose from bread.