Lung hilum diagram The hilum is visible as a triangular section at the inner midpoint of each lung. It is the space where vessels and nerves pass from your bronchus to your lungs.

Trachea The trachea, also called the windpipe, is part of the passageway that supplies air to the lungs. Any prolonged blockage, even for a few minutes, can cause death. The trachea is about 4.

Lungs are among the heaviest organs in the human body. The right lung typically weighs about 1.4 pounds (0.6 kg), while the left lung is slightly smaller and weighs approximately 1.25 pounds ...

Most males and females have the same number of ribs — 12 on either side of the body for a total of 24. Some people may have extra or fewer ribs.