How COPD Affects the Lungs
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#copd #copdmanagement #lungproblems If you are interested in licensing this animation or creating a new one, visit: https://nmal.nucleusmedicalmedia.com/contact-form?f=misc MEDICAL ANIMATION TRANSCRIPT: Chronic obstructive pulmonary disorder, or COPD, is a progressive non-infectious lung disorder that affects breathing. Normally, breathing occurs freely, allowing humans to inhale oxygen and exhale toxic carbon dioxide through a process called gas exchange. Breathing begins when the diaphragm contracts, expanding the chest, causing a change in pressure, allowing air to flow into the trachea, bronchi, bronchial tubes, and air sacs called alveoli, where gas exchange takes place. Normally, the airways and alveoli are flexible and elastic, expanding and contracting when air is inhaled and exhaled. Capillaries are small blood vessels that thread the walls of the alveoli, allowing for gas exchange via the capillary-alveoli interface. Smooth muscles control the size of the airway or bron
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