Which of the Following Statements About Human Gustation Is False

Which of the following statements about human gustation is false?

A) Taste bud cells are relatively short lived because of the high degree of abrasion they encounter.
B) Taste buds are confined to the oral cavity.
C) Changes in the membrane potential of the taste bud sensory cells cause them to release neurotransmitter onto the dendrites of sensory neurons.
D) Humans perceive only three categories of tastes: sweet, sour, and bitter.
E) Most taste buds are found on the papillae of the tongue.