Across
- 2. being resistant to an illness or infection
- 4. no longer produced or used; out of date
- 6. protects something from the loss of heat
- 8. to gain control or possession of
- 9. hit with force when moving
- 10. to go or move back; move away from
Down
- 1. superior to all others
- 3. a thin sheet of tissue or layer of cells
- 5. to combine or make less
- 7. sidewalks are made out of this