Physical and chemical digestion occur in the mouth is the best option which
describes the physical and chemical digestion of food.
The mouth is the part of the body in which food is put into and it is the
beginning of the alimentary canal which extends down to the large intestine.
The mouth has structures known as the teeth which helps to grind food into
smaller parts which is a physical aspect of digestion after which the enzyme
salivary amylase acts on it to convert it to maltose which is an aspect of
chemical digestion.
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