Consider the following statements regarding the anatomy of the human respiratory tract: 1. The trachea is lined with pseudostratified ciliated columnar epithelium containing goblet cells. 2. The cartilaginous rings supporting the trachea are complete circles of hyaline cartilage to prevent collapse. 3. The epiglottis is a cartilaginous flap that prevents food from entering the larynx during swallowing. Which of the statements given above is/are correct?

Options:

• A: 1 and 2 only
• B: 2 and 3 only
• C: 1, 2 and 3
• D: 1 and 3 only

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