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.
- How is food absorbed?
- What is faulty pacemaker?
- What happens to excess amino acids in liver?
- How does large trees take up water?
- What is osmosis?
- What happens after exchange of substances?