Pancreatic Function
The pancreas is a small organ located just behind the stomach. Its main
function is to produce insulin in just the right amount to maintain constant
glucose levels in the body.
What the Body Needs
The body's cells are designed so that they function best when there is a
certain amount of glucose, or sugar, in the fluid that surrounds them. Too much
glucose in the body will turn the fluid that surrounds the body's cells into a
bath of sugar that hinders many normal functions of these cells.
Why we need glucose
Although glucose is not of much use to the body in the bloodstream, or in the
fluid that surrounds the body's cells, it is still something that we need. In
fact, it is glucose that is the body's main source of energy, but glucose must
get inside cells to create the energy that the cells need to function. The
problem is that cells have a membrane or covering around the outside that won't
let glucose in. This is where insulin becomes important, because it is insulin
that opens up cells to glucose.
Maintaining a constant level of glucose is a delicate process that is
controlled by the pancreas and the insulin it produces. Under normal conditions,
this process is almost like a dance. Glucose levels in the blood lead the
pancreas to release just the right amount of insulin to keep the amount of
glucose in the blood stream and surrounding the cells at an even
level.
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