The tracheal epithelium is ciliated and has goblets. What is function of these modification? Cilia_____ Goblets_____ 2. What is the function of the cartilage rings in the trachea? Do the cartilage rings completely encircle the trachea? 3.The gastric glands of the stomach secrete____. The pH of this secretion is ______ due to the presence of ______ acid. 4. What is hiatal hernia?

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