Lung, Anatomy

Model Of The Intern Anatomy Of The Lung Of An Adult Human Body Anterior View. The Intern Structure Of The Left Lung Is Depicted. Inside The Lung, The Bronchial Tree In Light Blue Consists Of The Lobal And Segmental Bronchi, And Then The Bronchioles And Terminal Bronchioles. The Lung Blood Circulation Is Composed Of The Pulmonary Arteries In Gray, Carrying The Deoxygenated Blood To The Alveoli, And The Pulmonary Veins In Red, Which Send Back The Oxygenated Blood To The Heart. The Heart Contains Four Cavities: Two Atriums In Its Upper Part Anteriorly Covered By The Auricles, In Beige And Two Ventricles In Its Lower Part. The Ventricles In Light Orange Are Wandered By The Coronary Circulation. The Deoxygenated Blood Is Propeled From The Right Half Of The Heart To The Lung Via The Pulmonary Trunk And Arteries In Gray. The Blood Oxygenated By The Lungs Arterial Blood Is Next Sent Back To The Left Half Of The Heart Via The Pulmonary Veins, In Red, Which Propels It In The Whole Body Through The Aorta. The Diaphragm Separates The Thorax From The Abdominal Cavity. (Photo By BSIP/UIG Via Getty Images)