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:
- What is quantity of white blood cells in blood?
- What happens to excess glucose in diabetic person?
- How does blood flow in arteries?
- How flu virus enters?
- How is hemophilia caused?
- What is flower?
