The OLFACTORY AND THE GUSTATORY SYSTEMS have receptors which die out after sometimes because of direct exposure to the environment.
The olfactory system has to do with the perception of smell while the gustatory system has to do with taste stimuli. For these two basic sense organs, their perception rate is always highest when they are newly exposed to a stimuli, after continuous exposure to the stimuli their receptors die out.
        
             
        
        
        
Answer:
Nomad
Explanation:
is a person or group of people without a designated home who roam around in search of food and pasture land. A person who moves from place to place without having a permanent home is an example of anomad.
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The pressure from sound waves makes the eardrum vibrate.
The vibrations are transmitted further into the ear via three bones in the middle ear : the hammer (malleus), the anvil (incus) and the stirrup (stapes).
        
             
        
        
        
The force pushing against an area or surface