Respiratory anatomy: Flow of air from nares to alveolar sac listing each anatomical portion and one function of each
a. Nares - Entry point for air; filters out large particles
b. Nasal cavity - Warms and humidifies air; houses olfactory receptors
c. Pharynx - Common passage for food and air; houses tonsils for immune function
d. Larynx - Contains vocal cords; routes air to trachea and food to esophagus