The sense of smell

1) SMELL:  Describe the structural layout of the receptor area for stimulating the sense of smell.  Explain the physiological process of how an impulse is created that will be sent to the olfactory cortex to interpret the sense of smell.

2)TASTE:  Describe the structural layout of the receptor area for stimulating the sense of taste.  Explain the physiological process of how an impulse is created that will be sent to the gustatory cortex to interpret the sense of taste.