Is there any research that identifies the approximate number of smells a human can identify? How many tastes can the tongue identify?
How are these two senses related?
I have found 3 articles which you could use. The first is on smells, the other is on the sense of taste, and lastly how they are related. I couldn't find any research on specific amounts of tastes the tongue can identify. I did find the amount of receptors. ...
This solution gives references on sense of smells specifically how many a human can identify.