The trachea, or windpipe, is a flexible tube made of cartilage rings that meet at a thin muscle called the trachealis muscle.

Treating collapsing trachea in dogs can be a daunting prospect for owners. Tracheal collapse occurs when the windpipe becomes flattened and the airflow in and out of the lungs is obstructed.

They want to see how your trachea protects your lungs from dirt and bacteria you breathe in from the air. Dr Chris and Dr Xand have built a giant model on a trachea, also known as your windpipe.

They want to see how your trachea protects your lungs from dirt and bacteria you breathe in from the air. Dr Chris and Dr Xand have built a giant model on a trachea, also known as your windpipe.

Meanwhile, scientists at Cornell University are at work on prototypes for a 3D printed ear, and at Mount Sinai Hospital, research is focused on bioprinting trachea, more commonly known as windpipes.

His synthetic trachea was found to have come loose. Shortly after the operation he told the BBC: "I was very scared, very scared about the operation. But it was live or die." University of Iceland ...