The Human Nervous System (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
What does the nervous system allow us to do?
What does the nervous system allow us to do?
React to surroundings & coordinate actions
What do receptor cells do?
What do receptor cells do?
Convert a stimulus into an electrical impulse
Where do sensory neurons carry electrical impulses to?
Where do sensory neurons carry electrical impulses to?
To the central nervous system (CNS)
Motor neurons carry impulses from the CNS to which structures?
Motor neurons carry impulses from the CNS to which structures?
Effectors
What do effectors include?
What do effectors include?
Muscles & glands
What are reflexes?
What are reflexes?
Automatic responses before conscious thought
In a reflex arc, where does the impulse NOT pass through?
In a reflex arc, where does the impulse NOT pass through?
Conscious areas of your brain
In a reflex arc, what type of neuron receives the impulse from the sensory neuron in the CNS?
In a reflex arc, what type of neuron receives the impulse from the sensory neuron in the CNS?
Relay neuron
What are synapses?
What are synapses?
Gaps between two neurons
What happens when an impulse reaches the end of the first neuron at a synapse?
What happens when an impulse reaches the end of the first neuron at a synapse?
Chemical released into synapse