Lung

Definition

The lung is a pair of spongy, air-filled organs located on either side of the chest (thorax), responsible for removing carbon dioxide from and bringing oxygen into the blood. They play a crucial role in the respiratory system by facilitating gas exchange with the external environment.

Related terms

Alveoli:

Tiny, balloon-like structures at the end of the bronchioles in the lungs where gas exchange occurs.

Bronchi:

The major air passages that branch off from the trachea into each lung, further dividing into smaller branches called bronchioles.

Diaphragm:

A large, dome-shaped muscle located below the lungs that contracts and relaxes to help move air in and out of the lungs