- Study guides, Class notes & Summaries

Adult health; Exam 1; respiratory Upper Respiratory tract Warms and filters air Lower respiratory tract Gas exchange and diffusion Upper respiratory tract Nose paranasal sinuses pharynx tonils and adenoids Larynx Trachea Sinuses 4 Frontal ethmoid sphenoid maxillary Pharynx Throat; divided into nasal, oral and laryngeal Tonsils and adenoids guard the body from invasion by organisms entering the throat or mouth Larynx Voice box; epiglottis, thyroid cartilage and vocal cords ...