Let’s know more things about…

THE SENSES• SIGHT

• TOUCH

• HEARING

• SMELL

• TASTE

• HEALTHY

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• Our sense organ of sight are the eyes. We can see light, shapes, colour with our eyes.

• They are very delicate. Our eyebrows, eyelashes, eyelids and tears (keep them moist)all protect our eyes.

Parts of

the eye

eyelashes

pupil

cornea

irisretina

THE EYE

The parts of the eye

• The cornea covers the front of the eye. It is transparent.

• The iris is the coloured part of the eye (brown, green, blue,…) It controls the amount of light that enters the eye.

• The pupil is in the centre of the iris. It is a hole and light passes through the pupil to the inside of the eye.

• The retina is at the back of the eye. It catches the light that passes through the pupil.

The organ of tough is the skin.It is located all over the body because our whole body is covered with skin.

We can feel different things with our skin: if the object is rough or smooth, cold or hot,…

Some parts of the body are more sensitive than others. The most sensitive parts are the cheeks, the palms of the hands and the soles of the feet.

Braille alphabet

• The ears are the organ for hearing. We hear and distinguish different types of sound: high, low, soft or loud,…We also know what direction a sound comes from.

• The ear is divided into 3 parts: - outer ear

- middle ear

- inner earOuter ear

middle

inner

The parts of the ear• The pinna (earflap) receives the sounds.• The ear canal carries the sounds into the inside of the ear.• The ear drum vibrates when the sounds arrive.

• The small bones pass these vibrations onto the cochlea in the inner ear.

• The cochlea is the part of the ear where the sounds arrive.Then the sound sensations are carried along the auditory nerve.

The sense organ of smell is inside our nose. We can distinguish lots of different smells: minty, spicy, floral,…

The nostrils are the holes where the air enters.

The olfactory region is

inside the nose. This area recognises smells.

• The tongue is the organ of taste. There are taste buds on the surface of the tongue, they give us information on different flavours.

• The sense of taste lets us detect many different flavours: sweet, salty, sour and bitter.