Trachea is often called as Wind pipe. It is a long tube.
Trachea is supported by a large number of ‘C’ shaped cartilagenous rings which support and prevent trachea from closing and collapsing. It is present in the neck. Function of trachea is to send the air into bronchi and send the air from bronchi to out
Trachea on entering into the chest will be called as Bronchus. In the chest bronchus divides into two each bronchus enters into each lung.