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30) The outer covering of the crown of a tooth consists of which substance?

13) The appendix is attached to which area of the digestive tract?

4) The smallest of the salivary glands are the ________.

12) Which organ has three layers of muscle: longitudinal, circular, and oblique?

51) What may result if the pharyngoesophageal sphincter does not function properly?

20) Pancreatitis can be caused by all of the following EXCEPT ________.

10) What is the last section of the small intestine, before it empties into the large intestine, called?

64) The innermost layer of the muscularis is smooth muscle that ________.

3) An abnormally formed ________ will interfere with the development of clear speech.

6) The ________ is used by both the digestive and respiratory systems.