respiration n
1. the metabolic processes whereby certain organisms obtain energy from organic moelcules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs [syn: internal respiration, cellular respiration]
2. a single complete act of breathing in and out; "thirty respirations per minute"
3. the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation [syn: breathing, external respiration, ventilation]

Respiration \Res`pi*ra"tion\ (r?s`p?*r?"sh?n), n. [L. respiratio: cf. F. respiration. See Respire.]
1. The act of respiring or breathing again, or catching one's breath.
2. Relief from toil or suffering: rest. [Obs.] Till the day Appear of respiration to the just And vengeance to the wicked. --Milton.
3. Interval; intermission. [Obs.] --Bp. Hall.
4. (Physiol.) The act of resping or breathing; the act of taking in and giving out air; the aggregate of those processes bu which oxygen is introduced into the system, and carbon dioxide, or carbonic acid, removed. Note: Respiration in the higher animals is divided into: (a) Internal respiration, or the interchange of oxygen and carbonic acid between the cells of the body and the bathing them, which in one sense is a process of nutrition. (b) External respiration, or the gaseous interchange taking place in the special respiratory organs, the lungs. This constitutes respiration proper. --Gamgee. In the respiration of plants oxygen is likewise absorbed and carbonic acid exhaled, but in the light this process is obscured by another process which goes on with more vigor, in which the plant inhales and absorbs carbonic acid and exhales free oxygen.

See more meaning on Respiration...

• Respiration: Respiration may refer to: Biology. Respiratory system , process of passing gaseous nutrients to the blood, in humans and animals ...
• Respiration (physiology): In physiology , respiration (often mistaken with breathing ) is defined as the transport of oxygen from the outside air to the cells ...
• Cellular respiration: Cellular respiration is the set of the metabolic reactions and processes that take place in the cell s of organism s to convert ...
• Aquatic respiration: Aquatic respiration is the process whereby an aquatic animal obtains oxygen from water . Earth's natural bodies of water have a low ...
• Respiration (song): "Respiration" is the second single from Black Star 's eponymously titled 1998 album (see 1998 in music ). It features guest rapping from ...
• Respiration rate: The respiration rate is a parameter which is used in ecological and agronomical modeling. typically refers to respiration per unit of time ...
• Carbon respiration: Carbon respiration is a phrase used in combination with carbon storage to calculate the amount of carbon (as CO sub 2/sub ) flux ...

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