ID 161639172845 © Eaindustry | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
bronchi lung healthy lungs respiratory treatment oxygen bronchus hospital pulmonary breath virus health care trachea bronchial letters pneumonia protection tuberculosis environment shape bronchitis design biomedicalbronchi muscle system human heart respiration blood inhalation exhalation breathing airway surface muscles circulation capillary alveolar sac nasal cavity larynx organ vital capacity gas exchange intercostal vocal cell binding carbon dioxide model