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N4 Biology Unit 2.6
| Question | Answer |
|---|---|
| What is homeostasis? | The process of keeping stable internal conditions e.g. temperature at 37°C |
| What are the names of the hormones that regulate blood sugar level? | Insulin and glucagon |
| What is the name of the organ that detects changes in blood sugar level and releases the hormones insulin and glucagon? | pancreas |
| What is the name of the organ that responds to insulin and glucagon? | liver |
| Which hormone is produced when glucose levels in the blood are increase? | Insulin |
| Which hormone is produced when glucose levels in the blood are decrease? | Glucagon |
| What is the effect of insulin on the liver? | It takes in glucose and stores it as glycogen |
| What is glycogen? | A storage carbohydrate |
| What is the effect of glucagon on the liver? | It turns glycogen back into glucose and releases it into the bloodstream |
| What happens to the blood sugar levels when insulin is released? | It decreases |
| What happens to the blood sugar levels when glucagon is released? | It increases |
| What is the name of the sugar in the blood? | Glucose |
| What responses happen when body temperature gets too high? | Blood diverted to the skin and sweating |
| What responses happen when body temperature gets too low? | Shivering, blood is diverted away from the skin |