Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Tracheal Disorders ?
    ### Response:
    Your trachea, or windpipe, is one part of your airway system. Airways are pipes that carry oxygen-rich air to your lungs. They also carry carbon dioxide, a waste gas, out of your lungs.     When you inhale, air travels from your nose, through your larynx, and down your windpipe.
    