The trachea, or windpipe, is a tubular organ that carries air from the upper respiratory tract to the bronchi in the lungs. It consists of ring-shaped pieces of cartilage that ensure it remains open.
The trachea, or windpipe, is a tubular organ that carries air from the upper respiratory tract to the bronchi in the lungs. It consists of ring-shaped pieces of cartilage that ensure it remains open.