Body Systems

12345678910111213141516171819
Across
  1. 4. tissues that work together to function your body
  2. 5. the making of reproductive cells
  3. 8. takes food in and breaks it down and creates waste
  4. 9. when your muscles have no strength
  5. 10. different pieces of a body that help keep it running
  6. 12. smallest unit of life
  7. 15. helps keep mammels alive
  8. 16. blood vessels that carry blood from and to the heart
  9. 17. helps control what your body is doing
  10. 18. the structure of an living organism
  11. 19. system– helps the body stay up and do activities
Down
  1. 1. the most popular mammal
  2. 2. the ability to work your muscles to lift heavy items
  3. 3. what is used to be alive
  4. 6. what makes up a human
  5. 7. swap of carbon dioxide and oxygen between the air and the body
  6. 9. helps organisms to move
  7. 11. a part of your body with lots of cells that help fight infenctions and diseases
  8. 13. where the waste that the body creates is let out
  9. 14. cells that work together to function your body