Answer: Airborne chemical substances travel up the nose to the olfactory OLFACTORY CORTEX, which is the receptor for smell.
Explanation:
The olfactory cortex is the portion of the cerebral cortex that concocts olfactory data. It is required in the function of smell. It is found in the temporary lobe of the brain, which is associated with establishing sensory input. The olfactory cortex is further a part of the limbic system.
I would say because they're in a set of triplets? This is because there are three babies that are born from the same mother on the same day, and two of those babies would be born on the same day... but they would have to be twins... so it isn't possible unless they are triplets.
