Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
Why is cold caused?
Answer: Cold is caused by neither bacteria nor fungi, it is caused by a special virus which enters the nose and throat breaking down the cells that line up these passages.
- What is anemia?
- Why is blood important?
- Why is transpiration important?
- Which blood protein is found in plasma?
- What is digestion?
- What is result of viruses when we sneeze?