Brain Exercise Crossword

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Across
  1. 3. organ inside the head
  2. 7. an animal that lived millions of years ago
  3. 8. a season between winter and summer
  4. 10. a leader of republic
Down
  1. 1. series of pages showing days, weeks, months
  2. 2. air that moves quickly
  3. 4. person whose skill is accurate shooting
  4. 5. very strong feeling of liking and caring for somebody/something
  5. 6. round object that moves around the earth
  6. 9. a person whose job involves travelling in a space