Homeostasis & ResponseHigh Exam FrequencyAQAEdexcelOCRWJEC
Reflex Arc
Topic 3: Reflex Arc
Study this topic
1Introduction2Key Facts3Deep Dive4Practical5Notes6Notes7Notes8How It Works9Definitions10Misconceptions11Memory Aid12Exam Focus13Summary14Exam Tips
Reflex Actions: Automatic Responses
Key Facts
The Reflex Arc Pathway
Required Practical: Measuring Reflex Times
Comparing Reflex Actions
Mnemonics for Reflex Actions
Exam Tips
How It Works: Why the Reflex Arc Bypasses the Brain
Key Definitions
Common Misconceptions
Memory Aids
Exam Focus
Knowledge Organiser
Exam Tips: Reflex Arc
Sample Flashcards
What is a reflex arc?
A reflex arc is a chain of nerve cells (neurons) that transmit signals from a sensory receptor to a motor response, helping the body maintain homeostasis.
What is the main function of a reflex arc?
The main function of a reflex arc is to help maintain homeostasis by quickly responding to changes in the body's internal environment.
Sample Questions
Which word best describes a reflex action?
State the correct order of the reflex arc pathway from stimulus to response. Name each component.
15
exam-style questions
20
revision flashcards
Ready to revise Reflex Arc?
Get personalised daily study plans, adaptive quizzes, and spaced repetition flashcards.
Join Alpha