Page 45 - full
P. 45

 Always try to eat balanced diet.
 Always eat fresh and well-cooked food.
 Try to eat more green leafy vegetables and fruits.
 Avoid eating uncovered food. Always eat covered food.
 Avoid eating street food as it is unhealthy for our body.
 Never talk while eating food.
 Never overeat.
 Rinse your mouth well after having meals.
 Avoid eating junk food like burger, pizza, etc.

  Let’s
          Revise

    Most kids have their first set of teeth by the time they are 3 years old known as milk
       teeth.

    An adult has a set of 28 permanent teeth and 4 wisdom teeth.
    Incisors, canines, premolars and molars are different kinds of teeth.
    The teeth are made up of two major parts – crown and root.
    The digestive system helps to take our food from the mouth to the stomach and then

       to all the parts of our body.
    Healthy food habits keep us safe from diseases.

Points to Remember

Enamel  : The hard outer covering of our teeth
Plaque  : Sticky stuff that can cause cavities or gum disease
Saliva  : Liquid present in our mouth

                                  E XE R C I S E

A. Circle the correct answer.
     1. There are 20/30 milk teeth in a baby’s mouth.
     2. The wisdom/milk teeth complete the adult set of 32 teeth.
     3. Canines/Incisors are used for tearing flesh.
     4. Dentine/Enamel makes up the protective outer surface of the crown of the tooth.
     5. Muscles of food pipe/small intestine push food down into the stomach.

                                                                                             49
   40   41   42   43   44   45   46   47   48   49   50