Blood Glucose Control Flashcards

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What is blood glucose?

Blood glucose is the sugar dissolved in your blood. Your cells use it for energy.

If it goes too high or too low, cells cannot work well. This can make you feel ill and damage your body.

The pancreas monitors the blood and controls the level of glucose.

The two main hormones are insulin and glucagon.

After a high carbohydrate meal, the blood glucose level rises.

Insulin tells body cells to take in more glucose from the blood. It also makes the liver turn glucose into glycogen for storage.

Extra glucose is stored as glycogen, mainly in the liver and in muscles.

Blood glucose level tends to fall between meals and during exercise, when cells use more glucose.

Glucagon makes the liver break down glycogen into glucose. The glucose is then released into the blood.

Negative feedback means that a change in blood glucose level triggers hormones that bring the level back towards normal.