Blood glucose is measured in milligrams/deciliter (mg/dL). To put what follows in context, you can think of 100 mg/dL. Which of the following describe(s) the given graph? I. When you eat, then your blood glucose will rise to a higher level
II. At point C, the pancreas produces insulin
III. At point D, body maintains homeostasis

I only
II only
III only
I and III only