Sight
Which organ do we use to see?
The eyes.
Which organ do we use to hear?
The ears.
Which organ do we use to smell?
The nose.
Which organ do we mainly use to taste?
The tongue.
What organ do we use for the sense of touch?
The skin.
What enters the eye to help us see?
Light.
What enters the ear through the auditory canal?
Sound waves.
What do the chemicals in the air come into contact with inside the nose?
Nerve receptors.
What are the small structures on the tongue that help us taste called?
Taste buds.
What is the name of the middle layer of the skin?
The dermis.
What is the coloured part of the eye called?
The iris.
How many parts does the ear have?
Three: the outer ear, middle ear and inner ear.
Put these steps in the correct order: brain, nostrils, nerve receptors.
Nostrils → nerve receptors → brain.
What are the five basic tastes?
Sweet, sour, salty, bitter and umami.
What two things does the dermis contain?
Nerves and blood vessels.
Which part sends visual information from the eye to the brain?
The optic nerve.
Which nerve sends sound signals to the brain?
The auditory nerve.
What is the name of the nerve that carries smell information to the brain?
The olfactory nerve.
Which organ receives information about tastes?
The brain.
Name three things that nerves can detect through touch.
Temperature, pain and textures.
What is the black circle in the middle of the eye called?
The pupil.
Put these in the correct order: auditory nerve, eardrum, auditory canal, cochlea.
Auditory canal → eardrum → cochlea → auditory nerve.
What happens after chemicals in the air enter the nose?
They come into contact with nerve receptors.
Put these in the correct order: brain, taste receptors, food chemicals.
Food chemicals → taste receptors → brain.
You touch an ice cube. What sensation can your nerves detect?
Cold temperature.