Learning objective
Relate coordination systems to organism responses.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Questions
Topic
Response and homeostasis official content
Subtopic
Stimuli, both internal and external, are detected and lead to a response
Study support
Understand this objective
Quick explanation
Relate coordination systems to organism responses
- This point belongs to Response and homeostasis official content, especially Stimuli, both internal and external, are detected and lead to a response.
- You need to be able to relate coordination systems to organism responses.
- The key ideas to know are response and coordination.
- 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 Stimuli, both internal and external, are detected and lead to a response to exam-style questions, flashcards, and revision notes for Response and homeostasis official content.
Quick student answer
Which of the following is primarily responsible for detecting changes in internal body conditions?
Direct answer
Receptors are specialized cells that detect changes in the internal environment, such as temperature or pH.
Key terms
- Receptor: A specialized cell or structure that detects changes in the environment and sends signals to the nervous system.
- Effector: An organ or cell that acts in response to a stimulus, such as muscles or glands.
Common trap
Confusing receptors with effectors: Remember that receptors detect stimuli and send information to the CNS, while effectors carry out the response.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Explain why organisms detect internal and external stimuli.
Stimuli, both internal and external, are detected and lead to a response
- Link stimulus detection to responses that increase survival.
Stimuli, both internal and external, are detected and lead to a response
- Distinguish internal and external environmental changes.
Stimuli, both internal and external, are detected and lead to a response
- Explain how receptors convert stimuli into nervous impulses.
Nervous coordination
- Describe Pacinian corpuscle and retinal photoreceptor function.
Nervous coordination