Respiratory System

Anatomy of the Respiratory System respiratory system Human respiratory system, the system in humans that takes up oxygen and expels carbon dioxide The major organs of the respiratory system digestive system Such structures include the nasal cavity, pharynx, larynx, trachea, and most of the bronchial tree The respiratory zone includes all the organs and structures

respiratory system Respiratory system · The upper respiratory tract includes the nasal cavity, paranasal sinuses, pharynx and the portion of the larynx above the vocal cords