The Reflex Arc (AQA GCSE Biology Combined Science): Quizzes
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Practise the questions
10 questions from this quiz
What is a reflex arc?
What is a reflex arc?
The pathway for nerve impulses in reflex
What are the key characteristics of reflex actions?
What are the key characteristics of reflex actions?
Automatic and rapid
What detects the stimulus in the first stage of a reflex arc?
What detects the stimulus in the first stage of 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
Where is the relay neuron located in a reflex arc?
Where is the relay neuron located in a reflex arc?
In the spinal cord
What is another name for a relay neuron?
What is another name for a relay neuron?
Interneuron
What does the motor neuron carry the impulse to?
What does the motor neuron carry the impulse to?
An effector
What are effectors in a reflex arc?
What are effectors in a reflex arc?
Muscles or glands
Why do reflex responses happen so quickly?
Why do reflex responses happen so quickly?
They bypass the conscious brain
Which is an example of a reflex action?
Which is an example of a reflex action?
Blinking when something nears your eyes