Learning objective
Describe the brain as an organ made of billions of interconnected neurones that controls complex behaviour.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Flashcards
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Questions
Topic
The human nervous system
Subtopic
The brain (biology only)
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Understand this objective
Quick explanation
Describe the brain as an organ made of billions of interconnected neurones that controls complex behaviour
- This point belongs to The human nervous system, especially The brain (biology only).
- You need to be able to describe the brain as an organ made of billions of interconnected neurones that controls complex behaviour.
- The key ideas to know are complex behaviour, brain, and neurones.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect The brain (biology only) to exam-style questions, flashcards, and revision notes for The human nervous system.
Quick student answer
How does the brain work?
Direct answer
In Biology, this page helps you answer questions about the brain within The human nervous system. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are neurones and complex behaviour.
Key terms
- neurones: Specialized cells that transmit nerve impulses, forming the basic building blocks of the nervous system.
- complex behaviour: Actions or reactions of an organism that involve multiple processes and interactions within the brain.
Common trap
Misunderstanding Brain Structure: Emphasize the importance of understanding the brain's structure, focusing on how billions of interconnected neurones work together to control complex behaviours.
Related questions
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Flashcard prompts
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Revision notestopic notes
Open the full topic revision notes when you are ready to review this objective in context.
Open revision notesRelated learning objectives
- Describe the nervous system as a system that enables humans to react to their surroundings and coordinate behaviour.
Structure and function
- Describe the pathway in which receptor cells detect stimuli, sensory neurones carry impulses to the CNS, the CNS coordinates a response and motor neurones carry impulses to effectors.
Structure and function
- Explain that the brain and spinal cord form the central nervous system.
Structure and function
- Describe muscles and glands as effectors that bring about responses, with muscles contracting and glands secreting hormones.
Structure and function
- Explain why reflex actions are automatic and rapid protective responses that do not require conscious thought.
Structure and function