Unit 2 Our senses

What sense do we use to identify the shape, the colour, the size and the distance of objects around us?

• Sight

• Hearing

• Smell

• Taste

• Touch

What are the organs for the sense of sight?

• Eyes

• Ears

• Nose

• Tongue

• Skin

What are the main parts of the eye?

• The cornea, the pupil, the iris, the lens, the retina and the optic nerve.

• The pinna, the ear canal, the eardrum, the three small bones, the cochlea and the auditory nerve.

• The nostrils, the nasal cavity, the smell receptors and the olfactory nerve.

The ... , the eyelashes and the eyebrows protect the eyes.

The ... is transparent.

The...is a small hole in the centre of the iris.

The ... is a coloured ring.

The ... helps the eye to focus.

The ... ... takes the signals from the retina to the brain.

The... captures the light and creates images.