Fernanda's crossword puzzle grade 6

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Across
  1. 1. what cause condensation
  2. 7. what part of your body sends signals to your brain
  3. 8. what is the most important organ in the body
  4. 9. how many organs are there in the human body
  5. 10. what is used to measure seismic waves
  6. 12. what is the most important part of the cell
  7. 14. what is the most important part of the brain
Down
  1. 2. how many organs are there in the circulatory
  2. 3. what is the most important organ in the respiratory system?
  3. 4. how many organs are there in the digestive system
  4. 5. what is more important the brain or the heart
  5. 6. what is the most important part of a plant
  6. 8. what part of your body helps you hold your urine
  7. 9. what is the most important organ of the skeletal system
  8. 11. what is the most important part of the water cycle
  9. 13. what is the basic unit of life