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The exchange of oxygen and carbon dioxide between the environment and respiratory organs such as gills or lungs.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||external respiration - the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation|
artificial respiration - an emergency procedure whereby breathing is maintained artificially
abdominal breathing - breathing in which most of the respiratory effort is done by the abdominal muscles; "abdominal breathing is practiced by singers"
hyperpnea - energetic (deep and rapid) respiration that occurs normally after exercise or abnormally with fever or various disorders
hypopnea - slow or shallow breathing
hyperventilation - an increased depth and rate of breathing greater than demanded by the body needs; can cause dizziness and tingling of the fingers and toes and chest pain if continued
Cheyne-Stokes respiration, periodic breathing - abnormal respiration in which periods of shallow and deep breathing alternate
smoking, smoke - the act of smoking tobacco or other substances; "he went outside for a smoke"; "smoking stinks"
sniffle, snuffle, snivel - the act of breathing heavily through the nose (as when the nose is congested)
wheeze - breathing with a husky or whistling sound
second wind - the return of relatively easy breathing after initial exhaustion during continuous exertion
breathing in, inhalation, intake, aspiration, inspiration - the act of inhaling; the drawing in of air (or other gases) as in breathing
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