Ur nose has a molecule that helps you sense the smell of food and smell of Ur dogs if you have one you can smell anything only if it smells xP
even Ur thoung has sense of taste but that's another theme xP
GenelleBabee: so many typos ^^^ .
anyways ..
here's the correct answer .
Smell is a very direct sense .
In order for you to smell something, molecules from that thing have to make it to your nose . Those molecules are generally light , volatile [easy to evaporate) chemicals that float through the air into your nose . A piece of steel has no smell because nothing evaporates from it -- steel is a non-volatile solid .
we breath in and breath out
because you sir have aids
detect smell
Cesium doesn't have a smell you need special equipment to detect Cesium.
to detect smell
no
the smell or consistency
By the smell of the explosive
the detect smell
The smell of ammonia isn't a smell, it is a chemical burn. Even people with anosmia can detect the "smell" of ammonia
No. You have baroreceptors in your body to detect pressures, however you can detect density of the air by the temperature in which you are inhaling.
When they can smell blood in the water.
keen sense of smell
I think it's olfactory cells.