Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
What is Nicotine?
Answer: Nicotine is an addictive drug that causes the smoker to smoke more cigarettes day by day. It is a major drug because it prevents the victim from avoiding tobacco and cigarettes.
- How many parts does flower has?
- What is digestion?
- What is absorption?
- What causes make asthma worse?
- What is semi-permaeable membrane?
- What is quantity of blood in an adult?