1 If the device has the Google Apps Device Policy app installed, you can sign in to your My Devices page. Your Google Apps administrator doesn't have access to your My Devices page.  If you donât have the Google Apps Device Policy app installed, you manage your device using the Android Device Manager.
The trachealis muscle is a smooth muscle that bridges the gap between the free ends of C-shaped cartilages at the posterior border of the trachea, adjacent to the esophagus. The primary function of the trachealis muscle is to constrict the trachea, allowing air to be expelled with more force e.g. during coughing.
Confidence votes 261K. Trachea contain cartilage rings, and is the long tube that goes to the lungs. The bronchi contain cartilage plates and are the branching tubes that go to the lungs.Structure of the trachea  The trachea is lined by cartilage and divided into two branches. These two branches are called the bronchi.