High-tech medicine

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Across
  1. 2. Located on the inside of something like body organs
  2. 6. Very bad or serious injury
  3. 7. Matching or relating to something else
  4. 9. To change or alter something to improve it
  5. 10. To send or pass a signal from one place to another
Down
  1. 1. Fibers that carry messages between the brain and body
  2. 3. Tissues in the body that produce movement
  3. 4. A system of parts working together in a machine
  4. 5. To experience or endure something like surgery
  5. 8. A very new and different idea