Body Systems

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Across
  1. 2. organ that allows the sense of smell
  2. 3. system that contains the heart and blood vessels
  3. 5. this system brings oxygen into the body and helps remove carbon dioxide from the body
  4. 6. a pair of breathing organs that remove carbon dioxide and bring oxygen to blood
  5. 8. largest muscle in the human body
  6. 9. bones in the spine
  7. 10. this system control all feelings, thoughts, learning, memory, and senses.
  8. 13. carries messages to the brain
  9. 14. line consisting of nerves that carry incoming and outgoing messages to the brain and the rest of the body
  10. 16. bodies hardest working muscle
  11. 18. three pound organ that controls all functions of the body
  12. 20. allows the arm to bend
Down
  1. 1. system made up of 206 bones
  2. 4. this systems main purpose is to allow movement
  3. 7. a tube in the respiratory system that connects the pharynx and the lungs
  4. 11. transports blood away from the heart
  5. 12. returns blood back to the heart
  6. 15. smallest bone in the skelton
  7. 17. allows extension of the forearm at the elbow joint
  8. 19. where bones meet