'This tube of cartilage branches into 2 major bronchi that enter the lungs'
the trachea
THE HUMAN BODY: This tube of cartilage branches into 2 major bronchi that enter the lungs
This tube of cartilage branches into 2 major bronchi that enter the lungs
This tube of cartilage branches into 2 major bronchi that enter the lungs
THE HUMAN BODY
the trachea
THE HUMAN BODY