Glucose is a simple carbohydrate, or sugar. It is one of several kinds of sugars. It is important because cells in an organism use it as a source of energy. Turning glucose into energy is called cellular respiration, which is done inside the cells of a living organism.Click to see full answer. Similarly, you may ask, what is glucose kid definition?Glucose is the main type of sugar in the blood and is the major source of energy for the body’s cells. Glucose comes from the foods we eat or the body can make it from other substances. Glucose is carried to the cells through the bloodstream. Several hormones, including insulin, control glucose levels in the blood. what glucose means? Glucose is a type of sugar. It is your body’s main source of energy. A hormone called insulin helps move glucose from your bloodstream into your cells. High blood glucose levels (hyperglycemia) may be a sign of diabetes, a disorder that can cause heart disease, blindness, kidney failure and other complications. Likewise, people ask, what is glucose used for? Glucose is a source of energy, and all the cells and organs in your body need glucose to function properly. Glucose as a medication is given either by mouth (orally) or by injection. Glucose is used to treat very low blood sugar (hypoglycemia), most often in people with diabetes mellitus.What is a good glucose level?Normal blood sugar levels are less than 100 mg/dL after not eating (fasting) for at least eight hours. And they’re less than 140 mg/dL two hours after eating. During the day, levels tend to be at their lowest just before meals.