Spirit or vitality:
The act of breathing out air. During exhalation, the diaphragm relaxes and moves upward, causing compression of the lungs and an outward flow of air.
The substance (medicament) which is inhaled.
The process of cell catabolism in which cells turn food into usable energy in the form of ATP. In this process glucose is broken down in the presence of molecular oxygen into six molecules of carbon dioxide, and much of the energy released is preserved by turning ADP and free phosphate into ATP. Cellular respiration occurs as a series of chemical reactions catalyzed by enzymes, the first of which is glycolysis , a series of anaerobic reactions in which glucose (a 6-carbon molecule) is split into two molecules of lactate (a 3-carbon molecule), producing a net gain of two ATP molecules. In a series of aerobic reactions, lactate is converted to pyruvate, which enters the mitochondrion and combines with oxygen to form an acetyl group, releasing carbon dioxide. The acetyl group (CH3 CO) is then combined with coenzyme A as acetyl coenzyme A, and enters the Krebs cycle . During this series of reactions, each acetyl group is oxidized to form two molecules of carbon dioxide, and the energy released is transferred to four electron carrier molecules. The electron carrier molecules then release their energy in a process that results in the pumping of protons (hydrogen ions) out across the inner membrane of the mitochondrion. The potential energy of the protons generated by one acetyl group is later released when they recross the membrane and are used to form three molecules of ATP from ADP and phosphate in the process of oxidative phosphorylation . The pyruvate from one molecule of glucose drives two turns of the Krebs cycle. Thus, during cellular respiration one molecule of glucose, as well as oxygen, ADP, and free phosphate are catabolized to yield six molecules of carbon dioxide and an increase in usable energy in the form of eight molecules of ATP.
Either of two marks, the rough breathing (῾) and the smooth breathing (̓), used in Greek to indicate presence or absence of aspiration.
(Law) The use of the law courts and other fora as a means of seeking redress:
The maintenance of breathing by artificial means.
The metabolic consumption of oxygen and the production of carbon dioxide in the protoplasm of cells
Exchange of oxygen and carbon dioxide across external or respiratory surfaces, as gills or lungs, in multicellular organisms
Find another word for respiration. In this page you can discover 22 synonyms, antonyms, idiomatic expressions, and related words for respiration, like: breath, exhalation, inhalation, cellular respiration, breathing, process, expiration, ventilation, internal respiration, external respiration and thermoregulation.