Section 4
The Lungs and Pleurae
Book
Version 29
By Boundless
By Boundless
Boundless Anatomy and Physiology
Physiology
by Boundless
3 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/3839/square/220px-heart-and-lungs.jpeg)
Lungs
The lungs are an essential organ which is necessary for the exchange of oxygen and carbon dioxide from the body.
![Thumbnail](../../../../../../figures.boundless-cdn.com/15812/square/lung-and-diaphragm.jpeg)
Lobes, Fissures, and Lobules
The lungs are located on either side of the heart and are separated by fissures into lobes, three in the right and two lobes in the left.
![Thumbnail](../../../../../../figures.boundless-cdn.com/6696/square/0px-illu-pulmonary-circuit.jpeg)
Blood Supply to the Lungs
Pulmonary circulation transports oxygen-depleted blood away from the heart to the lungs and returns oxygenated blood back to the heart.