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| Sour Taste
Receptors |
Bitter Taste
Receptors |
Tasting Acids and Bases
The solutions in "Using Your Tongue" are acids or
bases. The vinegar and citrus solutions are acids, which have
a sour taste. The baking soda and unsweetened chocolate solutions
are bases, which have a bitter taste.
The taste buds on both sides of the tongue have adapted to
taste sour substances. The taste buds at the back of the tongue
have adapted to taste bitter substances. Other receptors are
specialized for tasting sweet and salty.
Using Your Tongue
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