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Taste - Definition


Taste is one of the five senses of the human body, along with touch, smell, sight, and hearing. The receptors distinguish between different tastes by means of some 4000 sensory cells, 75% of which are located on the tongue. They relay the information they pick up to the prefrontal cortex of the brain via four different nerves, a process that takes less than 150 milliseconds. The tongue's taste buds enable us to distinguish between salty, sweet, acidic, bitter, and glutamate acid tastes, and decrease in number with age.