Hearing

Crossword Puzzle

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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            3                        4       
                                       
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                10                        11   
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          13                               
                                       
            14            15                   
                            16             
                                       
                                       
                                       
                                       
                                       

Across:
1. The structure which vibrates when struck by sound waves
3. The energy boosting effect of the ossicles, similar to the effect of increasing the volume control of your stereo system
5. The receptor cells in hearing (2 words)
8. The formal name for the fine structure that is found across the end of the ear canal
10. The collective name for the structure of receptor and other cells (3 words)
12. The row of receptor cells that connect to the nerve fibres
13. The protein connections between the tops of the cytoplasmic extensions of the receptor cells (2 words)
14. The ossicle that presses into the window of the cochlea
16. The content of the two outer compartments of the cochlea

Down:
2. The first of the ossicles
4. The three rows of receptor cells are collectively this
6. What the middle ear matches between air and the contents of the cochlea
7. The cytoplasmic extensions of the receptor cells on which are located the ion channels
9. The ion that flows when ion channels are open in the cochlear's receptor cells
11. The second of the ossicles
15. The ion present in high concentrations in the two outer compartments of the cochlea
16. The external ear structures act in this way to direct sound energy into the ear canal