Solve these clues to fill the grid.
- Of or relating to the process of hearing
- 3 Across
- The main cavity of the ___
- 6 Across
- The part of the ___ visible externally
- 8 Across
- An area that is approximately central within some larger region
- 9 Across
- Staying steady without falling over
- 10 Across
- The whitish fibrous membrane that with the cornea forms the outer covering and protection of
- 1 Down
- A complex system of interconnecting cavities
- 2 Down
- The sense organ for hearing and equilibrium
- 4 Down
- A proceeding where evidence is taken for the purpose of determining an issue of fact and reaching
- 5 Down
- The organ of smell and entrance to the respiratory tract
- 7 Down