The right lung in the human body contains a larger volume and it is more broad and shorter than the left lung, while the left lung is thinner and taller than the right lung. The right lung is split into three lobes, with each lobe being supplied by one of the secondary bronchi.
The left lung contains two lobes and an indentation named the cardiac notch, which is situated on the lung's medial surface for the apex of the heart. The lungs are made up of soft and spongy tissue and take up the majority of the space in the thoracic cavity. Both lungs are encased by a dual-layered serous membrane, named the pleura.