Draw a labelled diagram of the inner ear. Name the part of the inner ear that is responsible for static balance in human beings.

Have a look at the posture of this girl who is reading a book and answer the questions which follow:

(a) Name the problem she is facing.

(b) What are the two conditions shown in sections A and B of the eye as applicable to her?

(c) What kind of reading glasses does she need ?

The figure given below shows the principal parts of a human ear. Study the diagram and answer the following questions.

(a) Label the parts 1 to 8.

(b) State the role of parts 6, 7 and 8.

(c) Why is it harmful to use a sharp object to remove ear wax? Mention the number and name of the part involved.

Given below is the internal structure of the human ear. Match the structures marked (a) to (e) with their correct function.