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Respiration may refer to: == Biology == * Cellular respiration, the process in which nutrients are converted into useful energy in a cell * * Anaerobic respiration, cellular respiration without oxygen * * Maintenance respiration, the amount of cellular respiration required for an organism to maintain itself in a constant state * Respiration (physiology), transporting oxygen and carbon dioxide between cells and the external environment * * Respiratory system, the anatomical system of an organism used for respiration * * Breathing, passing air through respiratory organs * * Aquatic respiration, animals extracting oxygen from water * * Artificial respiration, the act of simulating respiration, which provides for the overall exchange of gases in the body by pulmonary ventilation, external respiration and internal respiration * * Cheyne–Stokes respiration, an abnormal pattern of breathing characterized by progressively deeper and sometimes faster breathing, followed by a gradual decrease that results in a temporary stop in breathing called an apnea 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「respiration」の詳細全文を読む スポンサード リンク
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