The Reflex Arc (OCR GCSE Biology A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a reflex arc?
What is a reflex arc?
Pathway of nerve impulses in reflex action
Which two words best describe reflex actions?
Which two words best describe reflex actions?
Automatic and rapid
What is the main purpose of reflex arcs?
What is the main purpose of reflex arcs?
Protect the body from harm
Which structures detect the stimulus in a reflex arc?
Which structures detect the stimulus in a reflex arc?
Receptors
Where does the sensory neuron carry the impulse to?
Where does the sensory neuron carry the impulse to?
The spinal cord
What is another name for a relay neuron?
What is another name for a relay neuron?
Interneuron
What are the two types of effectors mentioned?
What are the two types of effectors mentioned?
Muscle or gland
Why are reflex responses faster than conscious responses?
Why are reflex responses faster than conscious responses?
They bypass the conscious part of the brain
What is the correct order of neurons in a reflex arc?
What is the correct order of neurons in a reflex arc?
Sensory, relay, motor
Which is an example of a reflex action?
Which is an example of a reflex action?
Blinking when something nears your eyes