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Blood sugar regulation

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rosalie urban

on 26 May 2016

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Transcript of Blood sugar regulation

Insulin
C256H387N65O79S6
hormone made by the pancreas
helps regulate high blood sugar levels (hyperglycemia)
beta cells release insulin
allows sugar to be absorbed into cells and used for energy; therefore lowering the levels of glucose in the blood
Hyperglycemia
vs.
Hypoglycemia
Hyper-
High blood sugar

Hypo-
Low blood sugar

Normal blood sugar is about 70-120 mg/dl
Glucagon
C29H41N9O10
hormone made in the pancreas
regulates low blood sugar levels (hypoglycemia)
Stimulates the liver to release glucose into the blood stream; therefore raising glucose levels in the blood stream
Why is chemical equilibrium important in blood sugar levels?
Chemical Equilibrium
Insulin vs. Glucagon

C6H12O6 (in blood) + C256H387N65O79S6 <--> C6H12O6 (in blood) + C29H41N9O10
Effects of Low Blood Sugar
If blood sugar levels are low there can be a number of serious effects on the body. Symptoms may include drowsiness, nausea, dizziness, sweating, and chills. If not treated, seizures and unconsciousness may occur.

How is low blood sugar regulated?

The body uses a hormone called glucagon.
Effects of High Blood Sugar
High blood sugar levels can have numerous negative effects on the body. Some symptoms include frequent urination, high levels of sugar in the urine, and increased thirst. If not treated, high blood sugar can lead to a diabetic coma known as Ketoacidosis.

How is high blood sugar treated or regulated?

The body uses a hormone called insulin.
Insulin is used to lower blood sugar and glucagon is used to raise blood sugar.
Le Châtelier's Principle
Le Châtelier's Principle Observed
When a system at equilibrium is effected by an outside stress, the system will counteract that stress. Stresses include concentration, temperature, and pressure. When a stress is increased, the reaction will move in the opposite way in which the stress is being applied. When the stress is decreased, it forces the reaction to move toward the side that has the decreased stress.
Le Châtelier's principle can be observed in the regulation of blood sugar. As the concentration of glucose in the blood increases, the reaction is shifted away from the release of glucagon and towards the release of insulin. The opposite can be observed when the concentration of glucose is decreased. When the concentration is decreased, glucagon continues to be released instead of insulin.
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