Airborne chemical substances travel up the nose to the olfactory which is the receptor for smell

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.

delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in article i, section 8 of the constitution. this includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a post office.