There are 10 million receptors in your nose.
2...it is a pair
Source: Fundamentals of Anatomy and Physiology textbook
Humans have up to 5 to 6 million.
3
The nose can detect an odor from the presence of only a few molecules of substance.
Hair is important to the human nose. It provides filtration for incoming air.
Usually with your nose, although you could also use a trained dog.
Olfactory
Yes. If you turn your nostrils inside-out and breathe through your mouth, I can always detect a little hint of nose hair and snot/boogers.
about 350
Humans do smell in a number of senses of the word. We have the ability to detect thousands of smells with our nose. We also ourselves give off various aromas. People can identify each other by smell. Blind people are particularly good at this as their sense of smell is more relied upon.
40,000.
The nose can detect an odor from the presence of only a few molecules of substance.
The human nose does many types of jobs. The main function of the nose is to smell. The human nose has tiny hair sensors that allow a human to smell.
Well, the ear is for listening to sounds and the nose is for smelling various odors or aromas. The ear is located on the side of the heard and the nose is located on the front of the face.
almost every thing produce odour particles but the human nose does not detect every smell
The human nose can recognize 10,000 scents
For the same reason any animal has a nose ! Do detect smells !
Your nose knows.
to detect smell
The skin around a dogs nose is thinner than the skin around a persons nose. The scent can go into the dogs nose so that they can understand what they are smelling just like a human can, but the scent can also go through the thin skin around their nose so that they can have two times as much of the scent in their nose which makes it easier for them to identify scents that are so similar or so faint that the human nose cant detect it.