So like everyones hair feet and body smell different from anyone elses? Like even if u used the same shampoo soap and perfume as someone else would you still smell different like if me and my sister both used strawberry shampoo would it still smell different in each of us? And also do everyones shoes smell different?
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Well it's unnoticeable to the human nose but yes! That's how bloodhounds are able to track people down. Everybody releases their own unique blend of oils from their skin which gives them their own subtly unique scent.
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The human nose has olfatory receptors wich bind different particles and associates it with particular odors. This special type of receptor doesn't specifically bind to particles, they have a wider range of compund binding than most receptors.
Our genome provides information for ~400 different receptors, so we can say we are sensitive to 400 completely diferent kinds of smells (considering every receptor can bind more than one type of particle). However our neuronal development doesn't provide the required sensitivity to use this information like dogs use it (for example).
The answer to this question would be yes, given the combinatory of scents that one can sense as individual odors (that of course is a non-deterministic approach).
PD:This discovery and characterization of the olfatory system in the nose resulted in a novel prize.
Our genome provides information for ~400 different receptors, so we can say we are sensitive to 400 completely diferent kinds of smells (considering every receptor can bind more than one type of particle). However our neuronal development doesn't provide the required sensitivity to use this information like dogs use it (for example).
The answer to this question would be yes, given the combinatory of scents that one can sense as individual odors (that of course is a non-deterministic approach).
PD:This discovery and characterization of the olfatory system in the nose resulted in a novel prize.
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same do pets if you dont mind knowing and among others