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3. Use dental floss or mouthwash.

4. Eat lots of fruit and salad rich in vitamin C.

5. Avoid junk food, sweets and chocolates.

6. Eat calcium rich food like cheese, eggs, milk, etc.

7. Visit a dentist regularly.

Let’s Recapitulate

Fill in the blanks.

1. The first set of teeth is called ______________.

2. The visible part of the tooth above the gums is called ______________.
3. The layer below the enamel is called ______________.

4. The part of the tooth inside the gum is called ______________.
5. ______________ is the soft part of the tooth.

D igestive System

Food gives energy to our body. But we get Mouth
this energy only, if the food which we eat
breaks down into small particles, so that Salivary

it can be easily absorbed by the body. This gland
process is called digestion.

There are different organs in our body which Mouth Liver

help in the digestion of food. These organs Stomach
together form the digestive system.
Pancreas

Process Of Digestion Small Intestine

When we put food into our mouth, the Large Intestine
digestive system starts working from that Rectum
Anus
moment. When we start chewing, the
saliva mixes with the food. Saliva is the
digestive liquid secreted by the salivary Digestive System

glands present in mouth. Saliva makes the food soft and moist. It is now known as
bolus and can be easily swalowed. The food that contains sugar, is broken down into
glucose by the saliva and hence, it tastes sweet. Rice is one such example.

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