Dopamine and our brain

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Across
  1. 3. Wanting to do something.
  2. 6. Many times.
  3. 8. Move your finger up and down on a phone screen.
  4. 9. The part of your body in your head that helps you think.
  5. 10. Feeling nervous or worried.
Down
  1. 1. To think carefully about one thing.
  2. 2. Things you do, like sports or games.
  3. 4. A brain chemical that makes you feel happy.
  4. 5. A substance in the body or brain.
  5. 7. Feeling worried or under pressure.