What is the uvula and what is its function

The palatine uvula, or more commonly known as simply uvula, is a conic projection from the following edge of soft palate middle. It is consist of connective tissues that have muscular fibers and racemose glands. It also consists of many serous glands that create a large number of thin saliva. Its function is greatly observed when swallowing; together with the soft palate, it closes the nasopharynx and avoids food to enter the nasal cavity.

answer 2 is the right one. jim should measure his snack to make sure he is using the right serving size.