B1 2.1 Responding to change & 2.2 Reflex Actions

B1 2.1 Responding to change & 2.2 Reflex Actions

Author: Gemma Boyson
  1. Why do you need a nervous system?
  2. What is a receptor?
  3. How do you respond to changes in your surroundings?
  4. What is a reflex?
  5. Why are reflexes important?
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The Nervous System

This video helps you to revise for science exams and relates to GCSE nervous system, GCSE core science or otherwise called GCSE science. This is an overview of the function and parts of the nervous system, including the role of reflexes.

SamLearning Activities

Optional Video: TED-Ed - How do nerves work?

At any moment, there is an electrical storm coursing through your body. Discover how chemical reactions create an electric current that drives our responses to everything from hot pans to a mother's caress.

Source: TED Ed

Optional Video: Crash Course - Nervous System

This video is entirely optional as it goes into more detail than you need for GCSE. However, it is interesting!

Hank begins a series of videos on organ systems with a look at the nervous system and all of the things that it is responsible for in the body.

Source: Crash Course science