The Brain :)

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Across
  1. 2. / we get headaches when our ... contracts too much!
  2. 4. / these ... organs are parts of the body which collect info, like the eyes, ears and nose!
  3. 5. / actions in the body that we are not aware of!
  4. 6. / wires through the body which electrical signals from the brain are given off!
  5. 9. / string-like parts inside the body that carry signals!
Down
  1. 1. / a machine doctors use to see brain waves while your asleep!
  2. 3. / controls heartbeat, breathing and blood pressure!
  3. 7. / something made by your brain when you sleep!2. liquid / to protect the brain from banging against the skull, it is covered in a layer of...
  4. 8. / when signals are sent to a body part without inuring the brain!