Body Systems

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Across
  1. 4. A flat muscle that helps you breath
  2. 6. a blood cell that helps fight disease
  3. 9. Windpipe
  4. 10. A tiny filter that is found in the kidney
  5. 13. The lower chamber of your heart
  6. 15. the main organ that helps you breathe
Down
  1. 1. A place where urine is stored
  2. 2. A muscular sac where chemical digestion begins
  3. 3. An organ that helps filter out waste
  4. 5. a blood vessel that takes blood away from the heart
  5. 7. A muscular tube that connects your stomach and your mouth
  6. 8. a group of organs
  7. 11. A place where mechanical digestion begins
  8. 12. a blood vessel that takes blood to the heart
  9. 14. the basic unit of living things