Distribution of ventilation in the supine position.
D000328:Adult; D005260:Female; D006801:Humans; D008168:Lung / Q000033:anatomy & histology; D008297:Male; D009584:Nitrogen / Q000032:analysis; D011187:Posture; D011650:Pulmonary Alveoli / Q000502:physiology; D012119:Respiration; D013147:Spirometry
D009584:Nitrogen