Jake runs from work to his evening nutrition class and has no time to eat. he is feeling hungry and weak since he hasn't eaten in about 5 hours. at this time, where is he getting the glucose required to meet his energy needs?

Glycogen is a polysaccharide, also called animal starch. It is storage form of carbohydrate m in animals. It is synthesized and stored mainly in liver and muscle cells.  When the body when the body is not getting glucose from food, the stored glycogen is broken down by the enzyme glucagon secreted from the pancreas to glucose into the bloodstream to be used as fuel for the cells. This biochemical breakdown of glycogen to glucose is called glycogenolysis.

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully