The endocrine component of the pancreas consists of islet cells (islets of Langerhans) that create and release important hormones directly into the bloodstream. Two of the main pancreatic hormones are insulin, which acts to lower blood sugar, and glucagon, which acts to raise blood sugar.
Variability is a measure of the spread of a data set. Learn more about the different measures of variability including the range, variance, and standard deviation, and how they are used in the field of Psychology.
In contrast, high-mix, low-volume and customization environments pose significant challenges due to the presence of two different types of variability. 1  Dysfunctional variability: Errors, ineffective systems and poor organization that cause rework, constantly changing priorities and lumpy demand.