Subject: General Science
Book: NCERT Biology Class 12
Study of blood circulation in humans.
- **Heart and Blood Vessels**:
- Structure and function.
- **Cardiac Cycle**:
- Systole and diastole.
- **Blood Groups and Transfusion**:
- ABO system and Rh factor.
**Possible Exam Questions:**
1. Explain the structure and working of the human heart.
2. What are the differences between arteries, veins, and capillaries?
3. Describe the cardiac cycle and its phases.
4. How do blood groups affect transfusion compatibility?
5. Discuss disorders like hypertension and atherosclerosis.
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