🫁 Anatomy of the Respiratory System The respiratory is broken down into the upper respiratory tract and the lower respiratory tract. The Upper Respiratory Tract Includes: 1️⃣ Nasal passages 2️⃣ Sinuses 3️⃣ Pharynx 4️⃣ Larynx ⭐️ Key functions: Air filtration, humidification, smell, coughing, speaking, swallowing The Lower Respiratory Tract Includes: 1️⃣ Trachea 2️⃣ Bronchi 3️⃣ Bronchioles 4️⃣ Alveoli ⭐️ Key functions: Gas exchange, sound production, and maintaining acid-base balance
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