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📚🩺 Anatomy and Physiology of the Respiratory System 📘 Important for GNM/BSc Nursing, NHM, AIIMS, NORCET, GPSC & Community Health Nursing Exams ✅  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. ✅ “The respiratory system enables the exchange of gases between the body and the external