This is the opening through which light can enter your eye.

This is the coloured part of your eye.

These cells carry oxygen through your blood.

This part of the brain controls movement and balance.

White blood cells are made here.

This organ is called the voice box. It helps us to produce sound.

These are raised hair or the spots on the skin caused by cold, fear or sudden excitement.

This is the largest internal organ in our body.

The smallest bone in our body, called the stirrup, is present here.

They are the largest teeth that do not appear until you are an adult.

This is the protective coating that encloses most nerve fibres.