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.
- What differs in types of white blood cells?
- What are intercoastal muscles?
- What is digestion?
- What happens when blood enters ventricles?
- Does bronchi and bronchioles process air?
- Why should tissue paper or handkerchief used?