Learning objective
Describe the pathway in which receptor cells detect stimuli, sensory neurones carry impulses to the CNS, the CNS coordinates a response and motor neurones carry impulses to effectors.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
The human nervous system
Subtopic
Structure and function
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Quick explanation
Describe the pathway in which receptor cells detect stimuli, sensory neurones carry impulses to the CNS, the CNS coordinates a response and motor neurones carry impulses to effectors
- This point belongs to The human nervous system, especially Structure and function.
- You need to be able to describe the pathway in which receptor cells detect stimuli, sensory neurones carry impulses to the CNS, the CNS coordinates a response and motor neurones carry impulses to effectors.
- The key ideas to know are motor neurone, stimuli, and effectors.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Structure and function to exam-style questions, flashcards, and revision notes for The human nervous system.
Quick student answer
What are pathway in which receptor cells detect stimuli, sensory neurones carry impulses to the CNS, the CNS coordinates a response and motor neurones carry impulses to effectors?
Direct answer
In Biology, this page helps you answer questions about pathway in which receptor cells detect stimuli, sensory neurones carry impulses to the CNS, the CNS coordinates a response and motor neurones carry impulses to effectors within The human nervous system. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are sensory neurone and motor neurone.
Key terms
- sensory neurone: A type of neurone that carries impulses from receptor cells to the central nervous system (CNS) after detecting stimuli.
- motor neurone: A type of neurone that transmits impulses from the central nervous system (CNS) to effectors, such as muscles or glands, to initiate a response.
Common trap
Misunderstanding the Pathway: To fix this, students should create a flowchart that clearly outlines the sequence: receptor cells detect stimuli, sensory neurones carry impulses to the CNS, the CNS coordinates a response, and motor neurones carry impulses to effectors.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Describe the nervous system as a system that enables humans to react to their surroundings and coordinate behaviour.
Structure and function
- Explain that the brain and spinal cord form the central nervous system.
Structure and function
- Describe muscles and glands as effectors that bring about responses, with muscles contracting and glands secreting hormones.
Structure and function
- Explain why reflex actions are automatic and rapid protective responses that do not require conscious thought.
Structure and function
- Describe a reflex arc using the sequence stimulus, receptor, sensory neurone, relay neurone, motor neurone and effector.
Structure and function