The voice box of the human body is the
Correct answer: B. larynx
- A. pharynx
- B. larynx
- C. trachea
- D. nasal cavity
Explanation
The larynx houses the vocal cords, which vibrate as air passes to produce sound. The pharynx is the shared passage above it, and the trachea carries air below, so location identifies each structure.
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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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