Exhalation
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"Exhale" redirects here. For other uses, see Exhale (disambiguation).
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Look up exhalation or expiration in Wiktionary, the free dictionary. |
Exhalation (or expiration) is the movement of air out of the bronchial tubes, through the airways, to the external environment during breathing.
Exhaled air is rich in carbon dioxide, a waste product of cellular respiration during the production of energy, which is stored in ATP.
Exhalation has a complementary relationship to inhalation; the cycling between these two efforts define respiration.
[edit] External links
- MeSH Exhalation
- Exhalation at eMedicine Dictionary
- Physiology at MCG 4/4ch2/s4ch2_14
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