Start studying Functions & Structures Respiratory System. Learn vocabulary, terms, and more with flashcards, games, and other study tools. read more
Anatomy of the Respiratory System Nose and Nasal Cavity The nose and nasal cavity form the main external opening for the respiratory system and are the first section of the body’s airway—the respiratory tract through which air moves. read more
The Respiratory System - Structure And Function The respiratory system is the system in the human body that enables us to breathe. The act of breathing includes: inhaling and exhaling air in the body; the absorption of oxygen from the air in order to produce energy; the discharge of carbon dioxide, which is the byproduct of the process. read more