Question

digestion is a chemical reaction.why​

Answer 1

because its non reversible and has chemicals involved in it.

HOPE THIS HELPS. . . . . .

Answer 2

Answer:

Because the chemical structure of the original materials is changing.

Explanation

The digestion processes involve changing the composition of materials (food) by chemical interactions – changes in bonding, oxidation states and structure – of the materials with other chemicals (enzymes, acids) in our digestive tracts.