quick facts and fun facts1. When we inhale detectors in our noses smell different odors. 2 humans have 5 million smell cells in the nose a dog have 200 million. 3 a moth have a sense of smell. But it does not have a nose. It’s smell cells are on its feathery antennae.4 a male moth can smell a female moth from miles away.5 the air is full of molecules tiny bits that float off fragrant thing. These molecules are too small to see. But we can smell them 6. Smell is one of the important things in our body. 7. Dog and horses are very sensitive to the smell in humans. 8. Memory is often sensitive to the smell. 9. Smell and memory are intimately linked -although this phenomenon is not well understood. 10. Your nose has lost of hairs in it.1.we have nosebleeds because it is so dry during the summer. 2.our noses get dry because when we have a cold our nose gets red. 3. You sneeze a lot when you have a cold 4. Your nose can’t smell when your nose is stuffy. 5. When it is cold out side your nose gets runny and red and cold. 6. when you have a hot bath your nose runs and you lick your lips.

This is an image of the nose hairs. The nose hairs help keep dirt, bugs and dust from entering into your lungs!

Defence

1. Dogs can distinguish between the smells of T-shirts worn by non-identical twins.

2. Dogs and horses are very sensitive to the smell of fear in humans.

3. Memory is often sensitive to the smell

4. Smell and memory are intimately linked -although this phenomenon is not well understood.

5. How we smell (some estimates suggest we can distinguish around 10,000 different smells - but see "Odor Code" below), why we smell and the impact of smell on our everyday life are poorly understood.

6. We certainly underestimate the importance of smell to our well- being - ask an anomic (someone who has lost some or all of their sense of smell).

7. Some anomic suffer from depression and their quality of life is severely affected - at the moment there is little that can be done to help them.

8. Smell is one of the important things in our body.