Question

Digestion is a natural change. Explain.​

Answer 1

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.

hope i'm correct

Answer 2

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The process of digestion is called a natural process because it is an involuntary process. Once the food is ingested by the mouth all the processes after that is involuntary as it does not involves human interventions.