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lung |
Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson | 0.04 sec. |
lung Noun the part of the body that allows an animal or bird to breathe air. Humans have two lungs, contained within the chest cavity [Old English lungen]
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A middle range for background pressure was selected because, although the volume of inspired air during spontaneous breathing has been shown to be higher during high background pressure than during low background pressure, high background pressure is known to lower end-expiratory lung volume (EELV) more than low background pressure for the same oscillation frequency. By 7 years of age, a 13-fold increase in lung volume has taken place (11), and in adult lungs, individual alveoli number some 200-600 million. The lung volume of children in smoggy neighborhoods grew significantly less than that of their peers in less-polluted communities, a new University of Southern California study shows. |
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