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Breathing and Exchange of Gases Quiz
Class XI
Biology
Breathing and Exchange of Gases
15 questions
MEDIUM
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Preview questions
1. What is the primary muscle involved in the process of breathing?
Diaphragm · Intercostal muscles · Abdominal muscles · Pectoral muscles
2. Which gas is primarily exchanged in the alveoli of the lungs?
Nitrogen · Oxygen · Carbon dioxide · Hydrogen
3. What is the term for the volume of air inhaled or exhaled in a normal breath?
Tidal volume · Vital capacity · Residual volume · Total lung capacity
4. Which part of the brain regulates the rhythm of breathing?
Cerebrum · Medulla oblongata · Cerebellum · Hypothalamus
5. What is the main function of hemoglobin in the blood?
Transport nutrients · Fight infections · Carry oxygen · Regulate temperature
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