Signs/symptoms

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Across
  1. 5. for the next clue, look at the ecological system in which trees are the dominant life-form
  2. 6. pain in any region of the head
  3. 7. condition where you can't sleep
  4. 8. condition lacking strength
Down
  1. 1. constantly moving, easily distracted, inability to concentrate
  2. 2. state of prolonged unconsciousness caused by brain injuries, stroke, or infections
  3. 3. state of being dead
  4. 4. sensation that makes you want to scratch your skin