Loss of lung tissue is caused by:
Correct answer: A. Emphysema
- A. Emphysema
- B. Asthma
- C. Pneumonia
- D. Bronchitis
Explanation
Emphysema destroys alveolar walls, reducing the surface area and causing permanent lung tissue loss.
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About Human Respiratory System
The human respiratory system conducts air to the alveoli, where oxygen and carbon dioxide exchange occurs across thin respiratory surfaces. Questions cover the nasal passage, trachea, bronchi, lungs, diaphragm and intercostal muscles, ventilation mechanics and gas transport, while distinguishing breathing and gaseous exchange from cellular respiration.
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