breath the process of taking in and expelling air during breathing; "he took a deep breath and dived into the pool"; "he was fighting to his last breath"
breath the process of taking in and expelling air during breathing; "he took a deep breath and dived into the pool"; "he was fighting to his last breath"
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Wiktionary
Substantiv
exhalation -
The act or process of exhaling, or sending forth in the form of steam or vapor; evaporation.
exhalation -
That which is exhaled, or which rises in the form of vapor, fume, or steam; effluvium; emanation; as, exhalations from the earth or flowers, decaying matter, etc.
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.
