For the past two days I'm struggling on answering this questions. 1. What are the specialized sensory receptor cells for smell? 2. What type of

For the past two days I'm struggling on answering this questions.

1. What are the specialized sensory receptor cells for smell?

2. What type of physical energy (stimulus) does smell respond to?

3. What major structures are included in smell organ?

4. What are the functions of the major structures in smell organ?

Smell: how do we identify particular odors, where do axons from the olfactory nerve go to, pheromones