The screen in the eyes on which images are formed is

 The sense organ which helps us identify colours is 

The largest external organ of our body is

The nerves through which messages travel from the eyes to brain are

The organs which help us to hear are _____

 Chameleons can move their eyes in _____ different directions

We can identify sweet taste from  ___ part of the tongue.

 To recognize smell snakes use their ___

The script used by the blind to read and write is 

The outer part of the ear is