The Respiratory System

Anatomy and physiology of the respiratory system respiratory system Since the lungs process air, they are the only internal organs that are constantly exposed to the external environment Central to the human respiratory system system789 pulmonary dulness is increased by the simultaneous development of an effusion , the resistance is in- creased , and DISEASES OF THE RESPIRATORY ORGANS 389

excretory system The respiratory system is responsible for taking in oxygen and expelling carbon dioxide The main organs are the lungs, which work in