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.
- What is faeces?
- What is carpel?
- How are small molecules transported?
- How is deoxygenated blood pumped to lungs?
- From where does roots take up oxygen?
- What are properties of blood present in veins?