The most important hormone that the pancreas produces is insulin. Insulin is released by the 'beta cells' in the islets of Langerhans in response to food. Its role is to lower glucose levels in the bloodstream and promote the storage of glucose in fat, muscle, liver and other body tissues.
At census-taking-time, Jean Jones will be counted in ICU. Census means the total no. of patients who have at least spent two hours in ICU on the calendar day on which he was admitted to the hospital.
