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Alveoli (Medical Definition) | Quick Explainer Video

Alveoli are the tiny balloon-shaped sacs at the distal end of the bronchial tree. Watch this video for the medical definition and a brief overview. 💥Alveolar Ventilation [Full Guide] ➜ ➜ ➜ https://bit.ly/2VipbBy ➡️ Alveoli Overview They're made up of type I and II pneumocytes which make up only a very thin layer that facilitates the passage of oxygen and carbon dioxide molecules. During a breathing cycle, we take in oxygen during inhalation while removing carbon dioxide during exhalation. Air is inhaled through the mouth and nose where it passes through the trachea, bronchi, bronchioles, alveolar duct, and then into the alveoli where gas exchange takes place. This process is known as alveolar ventilation. Alveoli rely on a substance known as surfactant which helps to maintain their shape and surface tension. Without surfactant, the alveoli would collapse which is known as atelectasis. Barotrauma is another potential problem that can occur in the alveoli. It's an injury to lung tissue that results from overexpansion due to increased levels of pressure or a tidal volume that is too large. ➡️ Alveolar Pulmonary Diseases: Emphysema Pulmonary edema Pneumonia Tuberculosis Acute respiratory distress syndrome (ARDS) Pneumoconiosis Lung cancer 💥Alveolar Ventilation [Full Guide] ➜ ➜ ➜ https://bit.ly/2VipbBy ————— 📗 BEST STUDY GUIDES FOR YOU ▪ TMC Test Bank 👉 http://bit.ly/2IGeqSu ▪ Hacking the TMC Exam 👉 http://bit.ly/2XBc8do ▪ TMC Exam Bundle (Save $) 👉 https://bit.ly/34pqEsV ▪ Daily TMC Practice Questions 👉 http://bit.ly/2NnXh3C 💙MORE FROM RTZ ▪ Free TMC Practice Exam 👉 http://bit.ly/2XlwASL ▪ Free RRT Cheat Sheet 👉 http://bit.ly/2IbmOKB ▪ Resources for RT's 👉 http://bit.ly/2WVV5qo ▪ Testimonials 👉 http://bit.ly/2x7b5Gl 🌐FOLLOW US ▪ Instagram 👉 http://bit.ly/2FhF0jV ▪ Twitter 👉 http://bit.ly/2ZsS6T1 ▪ Facebook 👉 http://bit.ly/2MSEejt ▪ Pinterest 👉 http://bit.ly/2ZwVLPw 🚑MEDICAL DISCLAIMER This content is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Please consult with a physician with any questions that you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you watch in this video. We strive for 100% accuracy, but errors may occur, and medications, protocols, and treatment methods may change over time. 💡AFFILIATE DISCLAIMER This description contains affiliate links. If you decide to purchase a product through one of them, we receive a small commission at no cost to you. ————— ⏰TIMESTAMPS 0:00 - Intro 0:22 - Alveoli Overview 1:25 - Alveolar Pulmonary Diseases ————— 🖼CREDIT FOR MUSIC AND GRAPHICS: ▪ Music licensed from Audiojungle.net/ ▪ Graphics: Canva.com, Freevector.com, Vecteezy.com, and Pngtree.com #RespiratoryTherapy #RespiratoryTherapist #Alveoli