Free MCQsLearn App Download - Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
Why should tissue paper or handkerchief used?
Answer: Tissue or handkerchief should be used to cover your mouth and nose in order to prevent the spread of 100,000 viruses that can reach up to a distance of 10 meters.
Learn also:
- Where do gases enter and leave plant?
- What makes heart sound like dub?
- What is osmosis?
- What is bronchitis?
- What causes make asthma worse?
- Why is cold caused?