ππ©Ί Anatomy and Physiology of the Respiratory System π Important for GNM/BSc Nursing, NHM, AIIMS, NORCET, GPSC & Community Health Nursing Exams β Introduction / Definition The respiratory system is responsible for gas exchange, supplying oxygen to the body and removing carbon dioxide. It also plays roles in acid-base balance, vocalization, and protection against pathogens. β βThe respiratory system enables the exchange of gases between the body and the external