G3 Unit 1 crossword

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Across
  1. 3. when the germs get into your body and make you ill
  2. 4. an organ that fish have to allow them to breathe
  3. 6. when muscles get longer and thinner. Muscles feel soft when they relax
  4. 9. an animal that has a backbone or spine
  5. 10. the job or use of something
  6. 12. the bones of the chest
  7. 13. the bone that joins the leg to the upper part of the body
  8. 14. the bones inside our body that are joined together to form a frame
  9. 15. parts of the body that are joined to bones and allow us to move
  10. 16. very tiny living things that can cause diseases
Down
  1. 1. injections or other medicines that stop us from getting a disease
  2. 2. an animal that has a backbone or spine
  3. 5. information that tells us how to do something
  4. 7. substances that we use to help us get better when we are ill
  5. 8. the skull bone that moves when we eat or talk
  6. 11. parts inside the body that do different jobs