Body Systems Crossword

12345678910111213
Across
  1. 3. Body system that protects and supports the body, also produces blood cells
  2. 5. Body system that sends oxygen and nutrients throughout the body in blood
  3. 6. When many organs come together, this forms (2 words)
  4. 10. Body system that takes in food and breaks it down, creating digested material
  5. 12. Body system that allows for movement
  6. 13. When many tissues come together, this forms
Down
  1. 1. When many cells come together, this forms
  2. 2. Body system that takes in oxygen and releases carbon dioxide
  3. 4. The most complex level of organization
  4. 7. Body system that removes cell waste from the body
  5. 8. Body system that sends signals throughout the body
  6. 9. The most simple level of organization
  7. 11. Body system that helps you when you are sick