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Related articles:
Oxygen
Cheyne-Stokes respiration
Carbon dioxide
Carbon cycle
Key terms: breathing air oxygen body blood level pressure water respiration volume gases lungs diaphragm carbon dioxide muscles rate lower thoracic nerve brain cause mouth amount alveoli conscious increasing decreasing contraction drop trachea ppm fitness carotid underwater aerobic speech normal thoracic volume intercostal muscles level of carbon dioxide nostrils roughly nose Search external links cited by footnotes on Wikipedia page Breathing: |
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