Friendship puzzle 10

1234567891011
Across
  1. 2. a floating air prison
  2. 4. a titan
  3. 5. some say they're already dead and the light's only on in your head
  4. 7. the loneliest number
  5. 9. cover
  6. 10. an ex human
  7. 11. a tedious experience
Down
  1. 1. a white viscous substance
  2. 3. accuse
  3. 6. painful beverage
  4. 8. the less popular monotreme