science

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Across
  1. 2. circulates in the body to substain life
  2. 5. nerves that start in the spinal cord
  3. 8. information
  4. 9. air filled spaces in the body
  5. 10. fight of infections and diseases
  6. 11. organ in the digestive system thaqts tores and digestive foods
  7. 13. is when the techtonic plates move and shake the land above
  8. 14. is your windpipe passage fr4om the pharynx to lungs
  9. 16. are a bundle of fiber that sends impulses from the brain to other parts of the body
Down
  1. 1. is a fraction of the sky covered by clouds like cloudy partly cloudy partly sunny
  2. 3. is an areas pattern of weather over a long period of time
  3. 4. lack of precipatation on the leeward side of the mountain
  4. 6. distinguishing characteristics
  5. 7. # of heartbeats in a min.
  6. 10. is an instrument used to measure wind direction
  7. 12. basic unit of life
  8. 15. are bones that protect and support the chest