What Is Blood Sugar?
By Alina Bradford, Live Science Contributor | May 25, 2018 09:35pm ET
Blood sugar, or glucose, is the main sugar found in blood. The body gets glucose from the food we eat. This sugar is an important source of energy and provides nutrients to the body's organs, muscles and nervous system. The absorption, storage and production of glucose is regulated constantly by complex processes involving the small intestine, liver and pancreas.
Glucose enters the bloodstream after a person has eaten carbohydrates. The endocrine system helps keep the bloodstream's glucose levels in check using the pancreas. This organ produces the hormone insulin, releasing it after a person consumes protein or carbohydrates. The insulin sends excess glucose in the liver as glycogen.
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