<P> The trachea ( windpipe ) divides at the carina into two main or primary bronchi , the left bronchus and the right bronchus . The carina of the trachea is located at the level of the sternal angle and the fifth thoracic vertebra ( at rest ) . </P>
<P> The trachea ( windpipe ) divides at the carina into two main or primary bronchi , the left bronchus and the right bronchus . The carina of the trachea is located at the level of the sternal angle and the fifth thoracic vertebra ( at rest ) . </P>
the point at which the trachea divides into the two mainstem bronchi is called the
the point at which the trachea divides into the two mainstem bronchi is called the
carina
carina