How Breathing Works
Learn about the exchange of oxygen and carbon dioxide in the lungs with this animated video. Plus, learn about the steps you can take to maintain healthy lungs.
This video is by Learn More Breathe Better®, a program sponsored by the National Heart, Lung, and Blood Institute (NHLBI), part of the National Institutes of Health (NIH). Our goal is to raise awareness about the prevention, treatment, and management of asthma and other lung diseases.
Learn more: https://www.nhlbi.nih.gov/LMBBasthma
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