Which one is the function of an ear?

Sound waves enter the ear and vibrate the:

Work of _______ gives the correct and same size of the object.

Pick out the odd one .

____________prevents sound impulses from reaching the brain while we are sleeping.

The image of the object is formed on the _____________of our eyes.

Person with _________will see near objects clearly but far away objects will appear blurred.

Loud speaker - Sound pollution;  Plastic - ?

The maps specially prepared for the blind are called__________

Blind people use the ___________alphabet for reading.