The Reflex Arc (OCR GCSE Biology A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What is a reflex arc?
What is a reflex arc?
Pathway for nerve impulses in reflexes
What are reflex actions?
What are reflex actions?
Automatic and rapid responses
What detects the stimulus in a reflex arc?
What detects the stimulus in a reflex arc?
Receptors
Which neuron carries impulses from receptors to the spinal cord?
Which neuron carries impulses from receptors to the spinal cord?
Sensory neuron
Where is the relay neuron located in a reflex arc?
Where is the relay neuron located in a reflex arc?
Spinal cord
What is another name for a relay neuron?
What is another name for a relay neuron?
Interneuron
Which neuron carries impulses from the CNS to effectors?
Which neuron carries impulses from the CNS to effectors?
Motor neuron
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
What is the main purpose of reflex arcs?
What is the main purpose of reflex arcs?
Protect body from harm with quick responses
Which is an example of a reflex action?
Which is an example of a reflex action?
Withdrawing hand from something hot