Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
How can cold prevented?
Answer: Cold can be prevented by many ways. Getting a balanced diet, getting plenty of sleep and breathing fresh air. Using handkerchief or a tissue paper to prevent virus to transfer from infected person to a normal person.
- What is oxygenated blood?
- What are bad effects of smokers cough?
- What happens to food in stomach?
- How many times blood enters heart in one circulation?
- How is starch processed?
- Why is iron important?