Why is digestion important? Digestion is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair. Food and drink must be changed into smaller molecules of nutrients before the blood absorbs them and carries them to cells throughout the body.

Why do we need a digestive system explain in brief?

We need food to fuel our bodies for energy, growth and repair. ... The broken-down food is then absorbed into the bloodstream from the small intestine and the nutrients are carried to each cell in the body. The digestive tract begins at the mouth and ends at the anus.

What is digestion short answer?

What Is Digestion? Digestion is the complex process of turning the food you eat into nutrients, which the body uses for energy, growth and cell repair needed to survive. The digestion process also involves creating waste to be eliminated.