Chapter 17: Breathing and Exchange of Gases – Part 3
✅ Chapter 17: Breathing and Exchange of Gases – Part 3 🔍 Regulation of Respiration and Disorders of the Respiratory System 🧠 How is Breathing Regulated? Breathing is an automatic, rhythmic process — but how does the body control it without conscious effort? The answer lies in the Respiratory Centers located in the brain. 🧬 Respiratory Centers in the Brain: Located primarily in the medulla oblongata and pons . Center Location Function Medullary Respiratory Center Medulla Controls rhythm of breathing Pneumotaxic Center Pons Regulates rate and pattern of breathing Chemosensitive Area Medulla Detects chemical changes in blood 🔵 Medullary Respiratory Center: Has two regions: Inspiratory center: Initiates inspiration Expiratory center: Active during forceful expiration ✅ Normal breathing (eupnea) is controlled by rhythmic impulses from the inspiratory center. 🔵 Pneumotaxic Center: Located in the upper part of the pons. ...