click below
click below
Normal Size Small Size show me how
Biology_Revision
AQA GCSE Science
| Question | Answer |
|---|---|
| What impulses does the nervous system use? | Electrical |
| What are the cells called that detect stimuli? | Receptors |
| What are the chemicals that help control and co-ordinate processes in the body? | Hormones |
| What neurones do the impulses pass along to get to the brain? | Sensory |
| What are reflex actions? | Responses to stimuli that are automatic and rapid |
| What controls the release of an egg from the ovary and the build up of the lining of the womb in the menstrual cycle? | Hormones |
| What are the main hormones involved in the menstrual cycle? | FSH & LH rom the pituitary gland and Oestrogen from the ovary |
| What does it mean by maintaining a constant internal environment? | Controlling levels of water, ions, blood sugar and temperature |
| What is the name for the result of the co-ordination of your nervous system, your hormones and your body organs? | Homeostasis |