Heart volume during prolonged exercise in the supine and sitting position.
D000328:Adult; D001810:Blood Volume; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D006454:Hemoglobins; D006801:Humans; D008297:Male; D005082:Physical Exertion; D011187:Posture; D012146:Rest
D006454:Hemoglobins