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 gas is commonly used in balloons to make them float?

View Question

What is the chemical formula of water?

View Question

Which process describes the splitting of a nucleus into smaller nuclei?

View Question

What type of electromagnetic radiation has the longest wavelength?

View Question

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

View Question

What is the chemical formula of methane?

View Question

What is the chemical symbol for the element iron?

View Question

What is the pH of pure water at 25°C?

View Question

Which type of bond is present in sodium chloride?

View Question

Which organ regulates blood sugar levels in the human body?

View Question