T
aste
buds replace themselves every 10-14 days so you can become accustomed to new
foods quite quickly, if you choose to do so. Taste buds are able to
sense five distinct tastes: salty, sweet, bitter, sour, and umami or savory. Each
on is linked to specific chemicals in foods. Generally, most human beings find
salty, sweet, and umami foods quite pleasant. Sour and bitter tastes may
register as being rather unpleasant. Three
cranial nerves are responsible for carrying the chemicals that your taste buds
pick up from food to the brain. Taste is ultimately decoded as flavor in the
brain (not in the taste buds)
The facial nerve
carries signals from the front two-thirds of the tongue
The
glossopharyngeal nerve transmits signals from the back portion of the tongue
The vagus nerve conveys signals from the soft palate and
epiglottis
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