The processes by which a living organism or cell takes in oxygen from the air or water, distributes and utilizes it in oxidation, and gives off products of oxidation, esp. carbon dioxide.
Act or process of respiring; breathing; inhaling and exhaling air.
Respiration is taking a breath or the act of breathing.
An example of respiration is inhaling and exhaling air.
An analogous process in anaerobic organisms involving some substance other than free oxygen.
The action or process by which an organism without lungs, such as a fish or plant, exchanges gases with its environment.
The process by which organisms exchange gases, especially oxygen and carbon dioxide, with the environment. In air-breathing vertebrates, respiration takes place in the lungs. In fish and many invertebrates, respiration takes place through the gills. Respiration in green plants occurs during photosynthesis.
Middle English respiracioun, from Latinrespiratio, from respirare.
Respiration Sentence Examples
Reluctantly she pulled away, her pulse and respiration in a race.
Its function is less that of respiration than of FIG.
Terrestrial plants have a gaseous interchange of oxygen and carbon dioxide which is necessary for respiration and feeding.
It possesses only slight influence over the heart and respiration, but it has a specific effect on mucous membranes as the elimination of the drug takes place largely through the lungs, where it aids in loosening bronchial secretions.
No organs of circulation or respiration are known; but the nervous system is well developed, and consists of a pair of ganglia corresponding with the limbs and connected by longitudinal commissural chords.