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L17-PEARLY TEETH,HEALTHY, BODY, Q1. Fill in the blanks:(1) Milk teeth start falling at the age of seven or eight., (2) If rotting food particles remain in the mouth, they, cause teeth to fall., (3) If we use a brush and toothpaste we can clean the, gaps between our teeth properly., (4) We must clean our tongue and gums while brushing, our teeth., (5) We must keep our five sensory organs clean., (6) Denture look real but the teeth in this are actually, false., (7) We should swill plenty of water in our mouth and, rinse it well., (8) Hard and rough tooth powders can damage our, gums., (9) We can get stomach upset if our hands are dirty.
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Q2. True or false., (1) By the age of 7 to 8 children start putting denture, False., (2) There is difficulty in speaking when teeth fall. True., (3) If food particles remain in the mouth they start, rotting, True., (4) Sticks from any plants can be used to clean the, teeth, False., (5) By using homemade tooth powder gaps between, the teeth can be cleaned., False., (6) If we wash hands in the beaker, the water in the, beaker becomes clean., False., (7) Applying wet mud on the injury is wrong., , True., , (8) We have to wash hands only after eating., , False., , (9) If teeth are dirty, we fall ill., , True., , (10) We must take a bath every day., , True., , Q3. Think and tell:
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(1) Which is the best way to brush your teeth?, Ans: Using a tooth paste and toothbrush, we can clean, gaps between the teeth properly. Besides the foam of, the tooth paste helps the particles stuck between teeth, to become loose and get washed away. While brushing, we should wash our mouth , scrub our teeth inside and, outside., (2) Why should we not allow nails to grow?, Ans:- If nails grow long, dirt and dust gathers inside the, nails. While eating , the dirt enters in our mouth and, then in stomach and causes different diseases and our, health will be affected., (3) Why must we wash the grapes we buy from the, market before eating them?, Ans:- To protect grapes from pests, farmers sprinkle, pesticides which contain poisonous chemicals to kill, the pest. If we do not wash the grapes along with dust, and dirt then pesticides enter in our stomach and, cause poisoning. So it is necessary to wash the grapes, before eating them.
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(4) It is important to brush your teeth before going to, bed at night than to brush them in the morning . Why, is that so?, Ans:- While eating some food particles may remain, stuck to our teeth or in gaps of our teeth. If we do not, brush our teeth, these food particles rot and start the, tooth decay and causes illness. So we must brush our, teeth before going to bed at night., (5) Why is it a custom to wash one’s feet and hands on, coming back home?, Ans:- While walking on the road or playing outside our, feet and hands become dirty. That dirt enters our, house and we may contract with different diseases. So, there is a custom to wash one’s feet and hands on, coming back home., Q4. Answer the following:, (1) Why do our gums get affected?, Ans: If the food particles remain in the teeth, they rot, and give bad breath. If this happens, gums get, affected., (2) Why must we wash our hands before having a, meal?
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Ans: If we eat with unclean hands, the dirt on our, hands goes into our stomach . We can get stomach, upset . So we must wash our hands before having a, meal., (3) What are the benefits of using a brush and, toothpaste for cleaning one’s teeth?, Ans: By using brush and toothpaste we can clean the, gaps between the teeth properly. Besides the foam of, the toothpaste helps the particles stuck between the, teeth to become loose and get washed away., (4) What will happen if we do not keep ourselves, clean?, Ans:- If we do not keep ourselves clean, we may, contract with different diseases., (5)Why do we fall ill if our teeth are not clean?, Ans:- If our teeth are not clean foul substances go in, our stomach and we may fall ill., , OPEN ENDED QUESTIONS, Q1. Can you tell?
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Many people lose their teeth when they grow old. But, some people lose their permanent teeth quite early., What could be the reasons for this ?, Ans:- If mouth is not rinsed properly the food particles, of food stuck between our teeth and get decayed. This, results in bad breath. The gums are also affected and, causes the teeth to become loose and fall off., Q2. Which is the best method of washing your mouth, clean? Why?, Ans:-We should swill plenty of water in our mouth and, rinse it well four or five times to remove food particles., Q3. What do to keep our body clean?, Ans:- 1) We must brush our teeth in the morning and, before going to bed. 2) We must bath everyday. 3) We, must wash our hair once or twice in a week. 4) We, must cut our nails at least once in a week.
