Anatomy crosswords

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Across
  1. 1. a baby grows in that
  2. 3. the biggest artery
  3. 5. they form tissues
  4. 7. a part of intestines that may need to be removed if it becames inflamed
  5. 8. it protects the brain
  6. 9. an organ that stores urine
  7. 10. carries blood containing carbon dioxide
Down
  1. 2. it connects the mouth and the lungs to each other
  2. 3. lungs contain a lot of them
  3. 4. bones that protects a lot of organs, for example lungs and heart
  4. 6. a bone which is located in the knee
  5. 8. the largest organ