The body is an interconnected and a highly intricate network of trillions of cells. One of the many functions of cells is to produce energy for life. For each cell to produce energy, it needs fuel primarily in the form of glucose. The surface of each cell contains docking stations for insulin and glucose. Insulin serves as the "key" which opens cell receptors for glucose to enter.
There are other transport vehicles inside the cell called Glucose transporters (Glut). These transport vehicles carry glucose molecules to the mitochondria (the cell's "furnace") where the body ultimately uses it to create energy.
How Problems Begin
As carbohydrates or sugars are absorbed by the intestines after a meal and blood sugar increases, insulin is secreted by the pancreas and circulated throughout the body. As insulin binds to cell receptors, cells absorb glucose from the blood stream to produce energy and lower blood sugar levels. As blood sugar decreases, the pancreas secretes glycagon which breaks down glycogen in the liver and releases additional glucose into the blood.
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