l am a long tube connecting your mouth to your lung.
Answer:
The trachea
Explanation:
Commonly known as the windpipe, is a long tube that connects the mouth and nose to the lungs, allowing the passage of air for respiration. It plays a crucial role in the respiratory system by providing a pathway for the exchange of oxygen and carbon dioxide during breathing. The trachea is a part of the larger respiratory tract and is composed of cartilage rings that help maintain its structure.