RESPIRATION

Respiration

In physiology, respiration is defined as the transport of oxygen from the outside air to the cells within tissues, and the transport of carbon dioxide in the opposite direction. This is in contrast to the biochemical definition of respiration, which refers to cellular respiration: the metabolic process by which an organism obtains energy by reacting oxygen with glucose to give water, carbon dioxide and ATP . Although physiologic respiration is necessary to sustain cellular respiration and thus life in animals, the processes are distinct: cellular respiration takes place in individual cells of the organism, while physiologic respiration concerns ...

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respiration

Noun

  1. The process of inhaling and exhaling; breathing, breath.
  2. An act of breathing; a breath.
  3. Any similar process, in organisms that lack lungs, that exchanges gases with its environment.
  4. The process by which cells obtain chemical energy by the consumption of oxygen and the release of carbon dioxide.


The above text is a snippet from Wiktionary: respiration
and as such is available under the Creative Commons Attribution/Share-Alike License.

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