Label each letter on the diagram of the ear

1. What is the name of the fluid found in the upper and lower canals of the cochlea?

   
   
   CheckHintShow answer
   1.   ?    Perilymph

2. What is the name of the fluid found in the central canal of the cochlea?

   
   
   CheckHintShow answer
   1.   ?    Endolymph

3. Why is fluid used in the cochlea?

   
   
   CheckHintShow answer
   1.   ?    It is incompressible
      
      This means it transmits the sound energy very efficiently to the hair cells.

4. What is the purpose of the utricle and saccule?

   
   
   CheckHintShow answer

5. What is the purpose of the semi-circular canals?

   
   
   CheckHintShow answer

6. Why are there three semi-circular canals organised in different positions?

   
   
   CheckHintShow answer

7. What are otoliths?

   
   
   CheckHintShow answer

8. Where are they found?

   
   
   CheckHintShow answer

9. What is the purpose of the otoliths?

   
   
   CheckHintShow answer

10. The vestibular apparatus (the semi-circular canals, the utricle and saccule) all contain what fluid?

    
    
    CheckHintShow answer