The lungs

Learn more about how the lungs work and read about tracheotomy procedures for chronic obstructive pulmonary disease.

How the lungs work

They supply us with oxygen and are part of the body's defense system.

The lungs of the unborn baby

The lungs of the foetus is different to the other organs, such as the kidneys, the heart and the liver, all of which already start functioning inside the womb.

What is a tracheotomy?

A tracheotomy is a surgical procedure in which an incision is made in the front of the patient's neck and a breathing tube is inserted through a hole into the trachea.

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