Diabetes

Science: KS3, topic 1.6.34

Diabetes

Diabetes is a health condition associated with high blood sugar levels.

Diabetes

Diabetes

  • Diabetes is when the body cannot control its blood sugar levels.
  • The pancreas produces a hormone called insulin.
  • Insulin stores the glucose in the cells and regulates blood sugar.
Treating diabetes

Treating diabetes

  • Diabetes is treated by injecting insulin at various times over the day to control blood sugar levels.
  • High blood sugar is also called hyperglycemia.
  • Low blood sugar is also called hypoglycemia.
Effects of diabetes

Effects of diabetes

  • People with high blood sugar levels may:
  • Feel thirsty
  • Need to urinate frequently
  • Feel weak and tired
  • Have blurred vision
  • Experience unwanted weight loss
Type 1 diabetes

Type 1 diabetes

  • Type 1 diabetes is when insulin produced in the body is destroyed by the body's own immune system.
  • Type 1 diabetes is a condition that people are born with.
Type 2 diabetes

Type 2 diabetes

  • Type 2 diabetes is when the body doesn’t produce enough insulin or does not react to insulin.
  • Type 2 diabetes is linked to poor diet and obesity.
  • Type 2 diabetes is more common than type 1.

Test yourself on Diabetes

  • What hormone regulates blood sugar levels?

  • Why does injecting insulin help control blood sugar in people with diabetes?

  • Why can blood sugar stay high in a person with type 2 diabetes even though their pancreas still makes insulin?

Practise this topic for free