Body systems

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Across
  1. 1. blood vessels that carry blood to the heart
  2. 3. largest artery in the body
  3. 5. muscle on the front part of your arm
  4. 7. made up of small bones
  5. 8. moves downward as you breath in
  6. 10. muscles on the front of the thigh
  7. 13. two openings of the nasal cavity
  8. 15. fibers that transmit sensation to the brain
  9. 17. central organ of the nervous system
  10. 18. below your navel and between your hips
Down
  1. 2. nerve largest and longest spinal cord
  2. 4. muscles that run down the back of your thigh
  3. 6. longest bone in the body
  4. 7. consists of nerves that carry messages to the body
  5. 9. the long curved bone which forms the rib cage
  6. 11. blood vessels that carry blood away from the heart pumps blood through arteries and veins
  7. 12. muscles on the back of the upper arm
  8. 14. spongey air filled organs
  9. 16. the bones that support you brain