Body Systems Crossword

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Across
  1. 3. The organ that filters toxins out of our bloodstream
  2. 6. The longest and strongest bone in the body
  3. 8. The cells that carry electrical signals between our brain and body
  4. 9. the connection between our brain and body (two words with no space)
  5. 11. This organ stores urine
  6. 13. the byproduct of aerobic respiration in our muscles that causes muscles to burn
Down
  1. 1. The medical term for your collarbone
  2. 2. the lobe of the brain that develops last
  3. 4. The organ that is a storehouse for good bacteria for your digestive tract
  4. 5. This muscle circulates blood throughout our body
  5. 7. the tissue in our bodies that allow us to move. We should be working this tissue to stay strong.
  6. 10. the lobe of the brain that processes information from our eyesight
  7. 12. The tube that connects your mouth to your stomach