Your pancreas is an organ which produces a hormone called insulin, in order to break down starches into a simple sugar called glucose. In the case of people with Type I Diabetes, the pancreas does not produce this hormone and therefore cannot return your blood sugar to a balanced state. Insulin production by the pancreas is a response to what?

A rise in sugars (glucose) in the bloodstream

Explanation:

The pancreas creates insulin when there is a rise in glucose in our system. Insulin is considered a hormone that regulates metabolism and carbohydrates in the system by absorbing glucose and from blood and transporting it into the liver, fat, and bone muscles.  

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