which are the principal organs of the respiratory system quizlet?
['Nose (Internal & External Cavity) Produces mucus; filters, warms, and moistens incoming air; resonance chamber for speech. ... ', 'Paranasal Sinuses. Same as for nasal cavity except no receptors smell; also lightens skull.', 'Pharynx. Passageway for air and food. ... ', 'Larynx. ... ', 'Trachea. ... ', 'Bronchial Tree. ... ', 'Alveoli. ... ', 'Lungs.']