You will be given a definition of a task first, then some input of the task.
In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

Centroaciner cells in this body occupy the lumen of its acinus, and some people have a secondary passage that connects this body to a nearby organ known as the Duct of Santorini. This body is generally described as having four regions: the head, neck, body, and tail. Its main duct is alternately called Duct of Wirsung, and that duct empties into the duodenum through the ampulla of Vater. This organ is divided into dark exocrine tissue and light endocrine tissue that contains the islets of Langerhans. FTP, name this organ that controls insulin production.
Output:
Science