People have five senses. The five senses are hearing, seeing, smelling, tasting, touching:

We hear with our ears

Sounds travel to our ears in waves. The ears change the sound waves into nerve impulses that are sent to the brain. The brain tells us what we are hearing.

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We see with our eyes

The eyes work like a camera. They take in light from the thing we are looking at and make a tiny picture of it on the back of the eyeball. Nerves inside the eyes take a message to the brain about the picture.The brain tells us what it is we are looking at.

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We smell with our nose 

When we breathe, air goes into our nose through the nostrils. Inside the nose there are lots of tiny hairs. They catch bits of dust that are in the air. Damp, sticky stuff called mucus traps more dirt and germs as they enter the nose. Nerves inside the nose take messages to the brain about the smells that come into the nose in the air. The brain tells what we are smelling.

Read the kidcyber page:

Nose

We taste with our tongue

The tongue is covered with about 10,000 very tiny bumps called taste buds. Taste buds on different parts of the tongue taste different things; sweet, sour, salty, and bitter.

Chemicals in the food we eat make the taste buds work and nerves in the tongue send messages to the brain which tells us what it is we are tasting. Smelling food also helps us to taste our food.

We touch and feel with our skin

Nerve endings in the skin send messages to the brain that tell us about what we are touching, such as whether it is warm, hot, cold, painful, soft, prickly, rough, sticky. 

Read the kidcyber page about skin

Read about the five senses:

http://www.sciencekids.co.nz/sciencefacts/humanbody/senses.html
 

Watch a video about the five senses and how they work