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Breathing exercises to increase oxygen levels in the body.
This guide provides a range of breathing exercises designed to help increase oxygen levels in the body. Learn how to use diaphragmatic breathing, pursed lip breathing, and other techniques to improve your oxygen intake and overall health. Discover how to use these exercises to reduce stress, improve your energy
From Wikipedia
Breathing is the rhythmic process of moving air into (inhalation) and out of (exhalation) the lungs to enable gas exchange with the internal environment, primarily to remove carbon dioxide and take in oxygen.