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प्रश्न
Give suitable explanations for the following :
One should breathe by nose and never by mouth.
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उत्तर
One should breathe by nose and never by mouth because nose contains hair and mucous to trap dust and micro-organisms, so that the inhaled air becomes pure and the respiratory passage is free of dust and micro-organisms.
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संबंधित प्रश्न
Give suitable explanations for the following :
Hands must be washed before eating food.
Give suitable explanations for the following :
Eating places must be kept free of flies.
Which one of the following is an unhealthy habit?
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Organisms that transmit microbes that cause disease.
What is hygiene?
How does personal cleanliness help to keep off diseases?
Why is it important for proper disposal of human excreta?
Name the following:
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| Cholera | Protozoan |
| Giardia | Contamination |
| Faeces | Vibrio |
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Community health aims at
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What can we do to maintain personal hygiene?
