Credit: INTELECOM /SCIENCE PHOTO LIBRARY

Caption: a)A green hexagon, representing glucose, rotates in a continuous motion. b) The next frame illustrates blood and glucose with a scale on the left that displays blood glucose levels in mg. As the glucose and blood continue to move up screen, more glucose is added and the scale on the left representing blood glucose rises. c) A pancreas over a human body releases a yellow I symbol for insulin. d) Glucose levels in bloodstream decrease to normal as insulin enters stream. Blood Glucose meter lowers to normal, 100 mg. e) Male body model: glucose is stored in the liver as glycogen (a polymer chain of glucose). f) Glucose levels in bloodstream decrease below normal, as indicated on Blood-glucose meter. g) The pancreas secretes Glucagon. h) Glycogen chain breaks up into glucose molecules. i) Glucose enters blood stream and the Blood-Glucose meter rises to normal. Glucose is the most important compound in metabolism, which is the sum total of all chemical reactions within a cell. The optimal blood glucose level is 100 milligrams of glucose per 100 millilitres of blood. If blood glucose levels rise above this set point, the pancreas secrets insulin which triggers the body's cells to take up glucose from the blood. The extra glucose is stored in the liver as glycogen which is a polymer of glucose and the blood glucose levels fall towards the set point. If the blood glucose levels fall below the set point, the pancreas secretes glucagon. This triggers the liver to break down glycogen, thus releasing glucose into the blood _and the blood glucose levels rise back towards the set point.

Release details: Model release not required. Property release not required.

Keywords: blood, body, cell, glucagon, glucose, glucose cycle, glycogen, homeostasis, human, insulin, liver, metabolism, organ, pancreas, platelets, red blood cell, system

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Glucose cycle

K004/9900 Rights Managed

Downloadable master

Duration: 00:01:20.21

Frame size: 1920x1080

Frame rate: 29.97

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 1.4G

Original

Capture format: QuickTime Animation

Codec: Photo - JPEG

Interlaced: Yes

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