Breathing and respiration: mechanism, exchange and transport of gases, volumes, disorders
- Asthma may be attributed to : Answer: 2. allergic reaction of the mast cells in the lungs Key idea: Asthma is an allergic reaction that inflames the bronchi and bronchiol... 1
- Name the chronic respiratory disorder caused mainly by cigarette smoking : Answer: 1. Emphysema Key idea: Cigarette smoking mainly causes emphysema. Smoke damages the alveolar walls, so the surface area for gas exch... 1