Question

how do we detect the smell of an agarbati (incense sticks)​

Answer 1

the smell of the incense stick reaches our nose, then the olfactory receptors present in our nose detect it. Then the receptors send this information to the forebrain in the form of electrical signals. Then the forebrain interprets this information as the smell of incense stick where it is already stored.

Answer 2

Answer:

Olfactoreceptors of our nose detect the smell of agarbatti and transmit this information to the brain.