Question

Study the diagram and answer the questions:

i) Label parts 1- 5

ii) Give the dental formula of human adolescent.

iii) Name the hard substance covering the crown of the tooth.

iv) Why is it necessary to break the food into smaller bits?​

Answer 1

3.enamel

4.because when we don't chew the food, food will be traped in your vocal cord.

because our stomach will not digest the food particle.

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Answer 2

Explanation:

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