Pulmonary capillaries
Pulmonary capillaries, supplied by the pulmonary artery, protrude from the interalveolar septa into alveoli, thus maximizing the surface area across which gas exchange can occur. 1000x, 4000x
Alveoli
Pulmonary capillaries, supplied by the pulmonary artery, protrude from the interalveolar septa into alveoli, thus maximizing the surface area across which gas exchange can occur. 1000x, 4000x
Interalveolar septa
Pulmonary capillaries, supplied by the pulmonary artery, protrude from the interalveolar septa into alveoli, thus maximizing the surface area across which gas exchange can occur. 1000x, 4000x
Pulmonary capillaries
Pulmonary capillaries, supplied by the pulmonary artery, protrude from the interalveolar septa into alveoli, thus maximizing the surface area across which gas exchange can occur. 1000x, 4000x
Air-blood barrier
Pulmonary capillaries, supplied by the pulmonary artery, protrude from the interalveolar septa into alveoli, thus maximizing the surface area across which gas exchange can occur. 1000x, 4000x