Topic: Food Energy and Respiration Subtopic: Diseases of the respiratory system
What are bad effects of smokers cough?
Answer: If smoker smokes a lot, the tobacco weakens the walls of alveoli. Initially, the cough breaks down the walls of alveoli and if cough extends than normal, it may burst the alveoli.
- How is food absorbed?
- What is job of heart?
- How are these parts arranged?
- Why large molecules cannot absorb into blood?
- What is osmosis?
- What are by-products of respiration?