Chewing is required for

Chewing surface of the teeth made of _

Statement-1 : Chewing is one of the most important process of digestion in animals. Statement-2 : Chewing helps in enzyme action.

"Smoking and Tobacco chewing is injurious to health" - Comment on the statement.

From which plant, chewing gum is prepared?

Chewing offood is regarded good for digestion because-

Cud-chewing animals are called: