B3.3.2

Question 1

What is glucose

Answer 1

Glucose is an energy store. Chemical reactions transfer energy from glucose to ATP which is used by cells.

Question 2

Where is glucose + damage it can cause

Answer 2

Glucose released by digestion passes into the bloodstream. Causes blood sugar levels to rise if this is maintained for a long period of time the body’s systems can be damaged especially the nerves and blood vessels.

Question 3

What happens if blood sugar levels are too high

Answer 3

If blood sugar levels are too high this is detected by the pancreas which releases insulin. Insulin travels to the liver to turn glucose into glycogen. Glycogen is then stored in the liver then blood sugar levels falls.

Question 4

What happens if the blood sugar levels are too low

Answer 4

If the blood glucose concentration is too low the pancreas releases a hormone called glucagon. Which makes the liver change glycogen back into glucose. Released into blood increasing glucose levels. They both maintain a constant blood sugar level.

Question 5

What happens if you have diabetes

Answer 5

Blood sugar levels are too high

Question 6

What is type 1 diabetes

Answer 6

People that can’t produce insulin. Immune system destroyed cells creating insulin. Controlled by regular injections of insulin.

Question 7

What is type 2 diabetes

Answer 7

People that have type 2 diabetes can’t effectively use insulin. The persons cells doesn’t produce enough insulin or the body cells don’t respond properly to it. Controlled by regulating carbohydrate intake.