MODEL RELEASED. Lung function test. 11 year old boy exhaling into a spirometer at a hospital. The spirometer derives measurements of vital capacity,peak flow rate and forced expiratory volume. Vital capacity is the maximum amount of air that a person can exhale after maximal inhalation. These values can be used to diagnose asthma | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Aj Photo |
Taille de l’image : | 3700 px × 2460 px |
Model Release : | Disponible |
Property Release : | Non requis |
Restrictions : | - |