The organs of smell are confined to a small area in the roof of the nasal cavity. Olfactory cells are stimulated when certain molecules reach them, and nerve fibers extend from these receptor cells to the olfactory bulb in the human brain. Smell is one of our most subtle senses, amplifying the sense of taste and detecting tens of thousands of distinct scents. Odor information is easily stored in long-term memory and has strong connections to emotional memory. Why might this be? Discuss