Systems

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Across
  1. 2. Released in sweat and urine
  2. 3. connect arteries and veins
  3. 8. Taking a breath in
  4. 10. A chemical taken out of food
  5. 12. A chemical you need to survive
  6. 13. sugar in the body
  7. 15. small colorless pieces of cells
  8. 17. carry blood from the body back to the heart
  9. 19. The organ that allows you to intake oxygen
Down
  1. 1. Small amounts released from the lungs, also needed to urinate.
  2. 4. carry blood away from the heart
  3. 5. cells that protect the body from disease
  4. 6. The organ that makes urine
  5. 7. body fluid
  6. 9. Waste in the body removed by skin
  7. 11. cells that carry waste
  8. 14. Good and bad things the body takes and releases
  9. 16. carry oxygen
  10. 18. The body’s biggest organ, releases heat by sweat