What is olfactory receptor?

First time.3rd​

It is a type oe of receptor present in our body

Explanation:

It's is a type of receptor located in our noses which Helps us to smell different things. Some times when we get a cold the olfactory receptors get blocked and this prevents us from smelling things. And this also effects our sense of taste

are responsible for the detection of odorants which gives rise to sense of smell and are expressed in cell membrane

we would need to see the picture to answer it