Homeostasis & ResponseIntroduction

Meet Your Brain's Bodyguards

Part of Nervous System — GCSE Biology

This introduction covers Meet Your Brain's Bodyguards within Nervous System for GCSE Biology. Topic 2: Nervous System It is section 1 of 14 in this topic. Use this introduction to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 1 of 14

Practice

15 questions

Recall

20 flashcards

Meet Your Brain's Bodyguards

The nervous system is like a team of bodyguards for your brain! They keep you safe from harm and help you react to the world around you.

Keep building this topic

Read this section alongside the surrounding pages in Nervous System. That gives you the full topic sequence instead of a single isolated revision point.

Key Facts Synapses: The Key to Communication Reaction Time Practical

Practice Questions for Nervous System

What are the two organs that make up the central nervous system (CNS)?

A. Heart and lungs
B. Brain and spinal cord
C. Sensory neurones and motor neurones
D. Eyes and ears

1 markfoundation

Explain how a signal is transmitted across a synapse from one neurone to the next.

3 marksstandard

Quick Recall Flashcards

How do neurons transmit information?

Neurons transmit information as electrical impulses that travel along the nerve fiber at high speed.

What is the main function of the nervous system?

To detect stimuli from the environment and coordinate appropriate responses to maintain homeostasis and enable survival.

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Nervous System

Key Facts