Forensic Science- KS3

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1. What is the nervous system used for?

  • To detect stimuli - changes in the enviroment
  • To detect impulses which come from the enviroment
  • Transmitting electrical and chemical signals around the body
  • Transmitting infomation through electrical and chemical signals around the body
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2. What are bee's used for in ferensic science?

  • To help
  • To detect certain drugs only
  • To detect a substance with their smell
  • To sniff stuff out

3. What happens when an impulse reaches a synaps?

  • An electrical current is passed through the synapse causing it to pass onto the next neurone
  • A chemical is realised and then starts an electrical impulse in the next neurone
  • A chemical is realised which then causes the electrical impulse to stop
  • A chemical is realised which then squashes the neurones together

4. What are Receptors

  • Sensors that detect a change in your body
  • Sensors that detect a stimuli
  • Sensors that detect an electrical impulse
  • Sensors that detect tempreture

5. What is the spinal cord made up off?

  • Long thin bundle of nerves running from the brain
  • Long thin bundle of nerves in your body
  • Thick bundle of nerves runnign from the brain
  • Lots of bones running from the brain

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