You Enjoy the Smell of Fresh Bread Coming from a Bakery

You enjoy the smell of fresh bread coming from a bakery as you pass by.What occurs first to eventually allow you to smell the bread?

A) Odorant molecules from the bread bind to receptors on the cilia of olfactory receptor neurons.
B) Olfactory information from the bread is sent to the vomeronasal organ for processing and integration.
C) The smell of bread activates glomeruli in your nasal passages.
D) The smell of bread activates the olfactory bulb in your brain.
E) Odorant molecules from the bread bind to receptors on the microvilli of olfactory receptor neurons.