Advertisements
Advertisements
Question
Give suitable explanations for the following :
One should breathe by nose and never by mouth.
Advertisements
Solution
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.
RELATED QUESTIONS
Give suitable explanations for the following :
Hands must be washed before eating food.
Which one of the following is an unhealthy habit?
Name the two types of dysentery and their causative germs and give one main precaution against them.
Name the following:
Organisms that transmit microbes that cause disease.
What is hygiene?
Give major aspects of personal hygiene.
Explain the following:
We should not put on other persons clothes.
Why is it important for proper disposal of human excreta?
Name the following:
The chemical by which you can kill rats.
Match item in Column A with the appropriate items in Column B:
| Column A | Column B |
| Raticide | Filaria |
| Culex | Insecticide |
| Rat flea | Encephalitis |
| DDT | Plague |
| Housefly | Gastroenteritis |
| Cockroach | Cholera |
| Cholera | Protozoan |
| Giardia | Contamination |
| Faeces | Vibrio |
State true or false. If false, correct the statement.
All food should be covered.
When is World Menstrual Hygiene Day observed?
What can we do to maintain personal hygiene?
