AQA · Biology · 8461
GCSE Biology: The brain
Homeostasis and response · AQA GCSE Biology (8461), specification point 4.5.2.2. Cards are generated from the exam board's own specification for "The brain", and every card links back to the page it came from. Separate science only. Specification © AQA — used with attribution.
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What is the brain made of?
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Billions of interconnected neurones, organised into regions with different functions.
The brain controls ?.
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complex behaviour
What is the function of the cerebral cortex?
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It controls consciousness, intelligence, memory and language.
What is the function of the cerebellum?
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It coordinates muscle activity and balance.
What is the function of the medulla?
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It controls unconscious activities such as breathing and heart rate.
How does studying patients with brain damage help map brain function?
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Damage to a specific region is linked to the loss of a specific function, showing what that region controls.
How does electrical stimulation help neuroscientists map the brain?
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Stimulating a specific region produces a specific response, revealing that region's function.
Which scanning technique is used to map brain regions to functions?
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MRI scanning.
Why is treating brain disorders so difficult?
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The brain is extremely complex and delicate, so investigation and treatment risk causing further damage.
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