Sensory neurones - Study guides, Class notes & Summaries
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AQA GCSE Biology Paper 2 Graded A+
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AQA GCSE Biology Paper 2 Graded A+ 
What is homeostasis? ️The maintenance of a constant internal environment. 
What is a stimulus? ️A change in your environment than requires a response. e.g Light, sound, touch, 
pressure, pain, chemical or temperature. 
What do the receptors do? ️Detect the stimulus or change in environment. 
What happens after the receptors? ️Receptors send messages to the CNS via the sensory neurone. 
What makes up the central nervous system? ️The brain or spi...
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OCR A Level Biology Neuronal Communication Pro Final Exam Fully Solved 2024.
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Role of neurones - Answer To transmit electrical impulses rapidly around the body to allow the organism to respond to changes in internal and external environment 
 
Parts of a general neurone - Answer Cell body, Dendron, axon, 
 
Role of the cell body - Answer To produce neurotransmitters 
 
Structure of cell body - Answer Nucleus, cytoplasm, lots of endoplasmic reticulum, mitochondria 
 
Function of dendrons - Answer To transmit electrical impulses towards the cell body 
 
Function o...
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AQA GCSE Biology Paper 2 Exam Questions with Verified Answers
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What is homeostasis? - ANSWER-The maintenance of a constant internal environment. 
 
What is a stimulus? - ANSWER-A change in your environment than requires a response. e.g Light, sound, touch, pressure, pain, chemical or temperature. 
 
What do the receptors do? - ANSWER-Detect the stimulus or change in environment. 
 
What happens after the receptors? - ANSWER-Receptors send messages to the CNS via the sensory neurone. 
 
What makes up the central nervous system? - ANSWER-The brain or spinal c...
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AQA A level Biology - Topic 6 - survival and response questions with verified answers rated A+
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AQA A level Biology - Topic 6 - survival and response questions with verified answers rated A+ 
 
What Are receptors? Correct Answer-Detect stimuli- can be cells or proteins on cell surface membrane , loads 
 
of different types 
 
 
 
 
What are effectors? Correct Answer-Cells that bring about a response to a stimulus to provide an effect ( 
 
muscle cells, glands) 
 
 
Receptors communicate with effectors via the	 Correct Answer-Nervous or hormonal system or both 
 
 
 
What is a stimulus? C...
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AQA GCSE Biology Paper 2 Final Exam Prep Questions 2024.
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AQA GCSE Biology Paper 2 Final Exam Prep Questions 2024. 
What is homeostasis? - CORRECT ANSWER The maintenance of a constant internal environment. 
 
What is a stimulus? - CORRECT ANSWER A change in your environment than requires a response. e.g Light, sound, touch, pressure, pain, chemical or temperature. 
 
What do the receptors do? - CORRECT ANSWER Detect the stimulus or change in environment. 
 
What happens after the receptors? - CORRECT ANSWER Receptors send messages to the CNS via the se...
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AQA GCSE Biology - B5 Exam Questions and Answers
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AQA GCSE Biology - B5 Exam 
Questions and Answers 
What is homeostasis? - Answer️️ -The regulation of conditions inside the body to 
maintain a stable internal environment in response to changes in both internal and 
external conditions 
What things do automatic control systems regulate? - Answer️️ -Body temperature, 
blood glucose level and water content 
What are the three main components that work together in automatic control systems? - 
Answer️️ -Receptors, coordination centres ...
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AQA GCSE Biology - Paper 2 Questions and Answers | 100% Correct
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AQA GCSE Biology - Paper 2 Questions and 
Answers | 100% Correct 
What is homeostasis? - Answer️️ -The regulation of the conditions inside your body 
and cells to maintain a stable internal environment, in response to changes in both 
internal and external conditions 
Name three coordination centres - Answer️️ -The brain, the spinal cord and the 
pancreas 
What is negative feedback? - Answer️️ -When your body brings the level of something 
(e.g. water or temperature) back to normal i...
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AQA GCSE Biology Topic 5 Homeostatis
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AQA GCSE Biology Topic 5 Homeostatis 
Homeostasis The maintenance of a constant internal state in a changing environment 
Why is homeostasis important? Homeostasis is important because it is essential for the survival of 
cells and enzymes 
Automatic control systems are made up of Receptors, coordination centres, effectors 
negative feedback a mechanism of response in which a stimulus initiates reactions that reduce the 
stimulus 
Receptor Detects change 
Coordination centre Receives an...
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AQA GCSE Biology Paper 2 Comprehensive Exam .
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What is homeostasis? - correct answer The maintenance of a constant internal environment. 
 
What is a stimulus? - correct answer A change in your environment than requires a response. e.g Light, sound, touch, pressure, pain, chemical or temperature. 
 
What do the receptors do? - correct answer Detect the stimulus or change in environment. 
 
What happens after the receptors? - correct answer Receptors send messages to the CNS via the sensory neurone. 
 
What makes up the central nervous system...
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AQA GCSE Biology Paper 2 100% Correct Answers Verified questions 2023/2024
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What is homeostasis? - answer The maintenance of a constant internal environment. 
What is a stimulus? - answer A change in your environment than requires a response. 
e.g Light, sound, touch, pressure, pain, chemical or temperature. 
What do the receptors do? - answer Detect the stimulus or change in environment. 
What happens after the receptors? - answer Receptors send messages to the CNS via 
the sensory neurone. 
What makes up the central nervous system? - answer The brain or spinal cord ...
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