AQA GCSE BIOLOGY PAPER 2
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AQA GCSE Biology Paper 2 ) (Solved Questions 100% VERIFIED QUESTIONS AND ANSWERS)
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---26oktober 20232023/2024A+
- AQA GCSE Biology Paper 2 
What is homeostasis? ANS:The maintenance of a constant internal environment. 
What is a stimulus? ANS:A change in your environment than requires a response. e.g Light, sound, touch, pressure, pain, chemical or temperature. 
What do the receptors do? ANS:Detect the stimulus or change in environment. 
What happens after the receptors? ANS:Receptors send messages to the CNS via the sensory neurone. 
What makes up the central nervous system? ANS:The brain or spinal cord 
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