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Flashcards by Tinna Shabsogh, updated more than 1 year ago
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Created by benprice99
over 9 years ago
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Copied by Tinna Shabsogh
over 9 years ago
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| Question | Answer |
| Define Homeostasis | Maintaining a stable internal environment |
| Sensory neurones | Take nerve impulses from receptors to the central nervous system |
| Relay neurones | In the central nervous system. Take nerve impulses from sensory neurones to motor neurones. |
| Motor neurones | Take impulses from the central nervous system to muscles or glands (effectors). |
| Name 2 hormones found in humans | Insulin, adrenaline, testosterone, oestrogen, and progesterone. |
| Define Reflex arc | Reflex actions bypass the brain, speeding up response times. Used when the body is in danger. |
| Give an example of a reflex action | Iris reflex - Iris contracts or expands depending on light level |
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