Organ Systems

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Across
  1. 7. system; breaks down food
  2. 11. System; transports oxygen and CO2
  3. 14. touch, taste, hearing, sight, smell
  4. 15. group of organs that work together
  5. 16. tubes that blood travel through
Down
  1. 1. chemical messenger
  2. 2. fluid that transports water, nutrients
  3. 3. connects two or more bones
  4. 4. transfers messages to brain from body
  5. 5. System; filters blood to create urine
  6. 6. system; consists of brain, spinal cord
  7. 8. system that regulates hormones
  8. 9. main organ in the respiratory system
  9. 10. pumps blood throughout the body
  10. 12. command center; an organ in the NS
  11. 13. system made up of bones