Subject: General Science
Book: NCERT Biology Class 12
Study of gas exchange and respiration.
- **Mechanism of Breathing**:
- Inspiration and expiration.
- **Oxygen and Carbon Dioxide Transport**:
- Hemoglobin and plasma transport.
- **Respiratory Disorders**:
- Asthma, emphysema, lung cancer.
**Possible Exam Questions:**
1. Explain the mechanism of breathing in humans.
2. How is oxygen transported in the blood?
3. Describe the role of hemoglobin in respiration.
4. What are the causes and symptoms of asthma?
5. Discuss the impact of smoking on lung function.
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