1. Identify iris in this diagram.   Hint Hint       2. Identify the ear ossicle B in this diagram.   First letter clue   3. Thin watery fluid, which is filled in the space just behind the cornea   First letter clue   4. _______ apparatus is a part of the internal ear and is responsible for maintenance of equilibrium and posture.   Hint       5. Identify pupil in this diagram.   Hint       6. Part of the eye affected in cataract   Hint       7. Identify the structure 'A' in this diagram.   First letter clue