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

These contractions cause the vocal cords to shut, creating the characteristic ‘hic’ sound. Newborns hiccups are usually not a ...

The thyroid is a vital gland located in the front of the neck, above the trachea. It's shaped like a butterfly and is part of ...