Topic Details (Notes format)

Respiratory System in Humans

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.

Practice Questions

Which gas is released during photosynthesis?

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What is the term for water changing from liquid to gas?

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What is the function of hemoglobin in the blood?

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What is the largest organ in the human body?

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Which type of radiation has the shortest wavelength?

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What is the unit of electric current?

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Which type of blood vessel carries blood away from the heart?

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

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Which metal is liquid at room temperature?

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Which gas is commonly used in balloons to make them float?

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