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 is pulse?
- How are xylem and phloem arranged in stem?
- How are proteins digested?
- What is affect of wind on transpiration?
- What is plasma?
- What is major component of respiration?