JSIERT

Canines are one on either side of the incisors in each jaw. These are conical and sharply pointed for holding and tearing the food.

Incisors are the front teeth in the centre of each jaw. Their cutting edges are broad and sharp like a chisel. They are used for biting and cutting.

There are four types of teeth in humans:- Incisors Canines Premolars Molars

The teeth cut and break the food into smaller bits.

The mouth or the oral cavity is the space where the food is chewed and mixed with saliva.

The alimentary canal is a muscular tube that starts with the mouth and ends at the anus.

The characteristics of an enzyme are:- It is a protein and is, therefore, destroyed by heating. It only affects the rate of a chemical reaction and always speeds up the reaction. It always forms the same end product from the substrate.

Enzymes play a vital role in the digestion of food.

Digestion is the breakdown of naturally occurring foodstuff into diffusable forms.