Question

why is digestion described as both of chemical and mechanical process

Answer 1

Mechanical digestion involves physically breaking the food into smaller pieces. Mechanical digestion begins in the mouth as the food is chewed. Chemical digestion involves breaking down the food into simpler nutrients that can be used by the cells. Chemical digestion begins in the mouth when food mixes with saliva

Answer 2

Mechanical digestion involves physically breaking the food into smalleer piece.Mechanical digestion begin in the mouth as the food is chewed . Chemical digestion involve breaking down of food in simpler nutrient that can be used by cells.It starts in mouth when food get mixes with saliva.