Reflex actions (AQA GCSE Biology Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which characteristic is NOT true of reflex actions?
Which characteristic is NOT true of reflex actions?
They are learned during childhood
What are reflex actions controlled by?
What are reflex actions controlled by?
Central nervous system (CNS)
In the coordination pathway, what comes immediately after the receptor?
In the coordination pathway, what comes immediately after the receptor?
Sensory neurone
What is the function of a receptor?
What is the function of a receptor?
Detects the stimulus
Why are reflex actions faster than normal responses?
Why are reflex actions faster than normal responses?
They bypass the conscious brain
What is a synapse?
What is a synapse?
Tiny gap between two neurones
How do messages cross the synapse gap?
How do messages cross the synapse gap?
Using chemical neurotransmitters
Which statement about synapses is correct?
Which statement about synapses is correct?
They work in one direction only
What is an effector?
What is an effector?
Muscle or gland that creates response
Why are reflexes important for survival?
Why are reflexes important for survival?
They respond faster than thinking