Odorants: Odorants are specific molecules that produce smells when they come into contact with our olfactory receptors.
Olfactory Bulb: The olfactory bulb is a brain structure that receives signals from the olfactory receptors and plays a crucial role in processing smells.
Pheromones:Pheromones are chemical substances released by animals, including humans, that elicit social or sexual responses in others. They can also be perceived through the sense of smell.