6.Air enters the respiratory system through the nose and mouth and passes down the throat (pharynx) and through the voice box, or larynx. The entrance to the larynx is covered by a small flap of tissue (epiglottis) that automatically closes during swallowing, thus preventing food or drink from entering the airways.
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Answer:
trachea
bronchi
bronchioles
nasal cavity
nostrils??
Answer:
1. trachea
2.bronchi or airways
3.bronchioles
4.alveoli
5.the nose and nasal cavity
6.Air enters the respiratory system through the nose and mouth and passes down the throat (pharynx) and through the voice box, or larynx. The entrance to the larynx is covered by a small flap of tissue (epiglottis) that automatically closes during swallowing, thus preventing food or drink from entering the airways.
Explanation:
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