Topic Details (Notes format)

Circulatory System in Humans

Subject: General Science

Book: NCERT Biology Class 12

Study of blood transport and circulation.
- **Heart and Blood Vessels**:
- Arteries, veins, capillaries.
- **Cardiac Cycle**:
- Phases of heartbeat.
- **Blood Pressure and Its Regulation**:
- Systolic and diastolic pressure.

**Possible Exam Questions:**
1. Describe the structure and function of the human heart.
2. What is the cardiac cycle? Explain its phases.
3. How is blood pressure regulated in the body?
4. Differentiate between arteries and veins.
5. Discuss the role of hemoglobin in oxygen transport.

Practice Questions

Which component of blood carries oxygen?

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Which particle is responsible for the negative charge of an atom?

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Which gas is known as "laughing gas"?

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What type of macromolecule is an enzyme?

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Which organelle is known as the "powerhouse of the cell"?

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