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