Tidal volume is approximately
Correct answer: A. 500 mL
- A. 500 mL
- B. 3000 mL
- C. 1200 mL
- D. 6000 mL
Explanation
Tidal volume (air in normal breath) is about 500 mL at rest in healthy adults.
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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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