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CAIE IGCSE Biology 14.1.5 Simple Reflex Arc in Terms Questions

Practise describing and interpreting the complete pathway from a detected stimulus to a rapid effector response.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • Sequence a reflex arc from receptor through sensory, relay and motor neurones to an effector.
  • Identify the receptor that detects a stimulus and the effector muscle or gland that responds.

CAIE IGCSE Biology 14.1.5 Simple Reflex Arc in Terms Questions question 1

[Maximum number: 1]

The nervous system coordinates the responses of animals to changes in their environment.

Fig. 2.2 is a flow chart that shows how an involuntary action is controlled.

Fig. 2.2

Fig. 2.2

State the structure found at X.

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