Animals

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Across
  1. 3. Symbol of love, emotional center
  2. 5. Feelings associated with love
  3. 6. Initial interest or pull to others
  4. 9. 'Love' hormone, aids bonding
  5. 10. A 'feel-good' hormone
Down
  1. 1. Mood regulator, affects love
  2. 2. Organ affected by love
  3. 4. Scent signal in attraction
  4. 7. Substances causing feelings
  5. 8. Connection, close relationship