1. Condensation can freeze and block the air tubes causing a variety of malfunctions. 2. The divers risked puncturing their pressure suits or air tubes if they ventured further. 3. One toy serves an extra function : the Beanie's weight holds the air tubes in place. 4. Late Tuesday night, doctors removed LaHue's air tube . 5. Later on, it acquires fine filamentous gills enclosing air tubes that join the longitudinal tracheal trunks. 6. They contract, closing up the air tubes . 7. Massive air tubes still snake into sides of the Hilton and the Hyatt, completing a drying-out process. 8. The cancer is called adenocarcinoma, named for the cells that line narrow air tubes deep in the lung. 9. The air tube in his trachea kept him from talking, but he was able to nod and shake his head. 10. As the babies grow and strengthen their underdeveloped chest muscles in the next few weeks, the air tubes will be removed.
