71.Taste perceived in a region located adjacent to the "tongue" : 1417049
71.Taste is perceived in a region located adjacent to the "tongue" region of the somatosensory cortex.
72.Sour taste is caused by the hydrogen ions from acids, while bitter taste is caused by alkaloid substances such as caffeine.
73.The receptors for smell are located in the upper nasal cavity out of the normal path of air currents.
74.Visual and hearing receptors are irreplaceable, but taste and olfactory receptors are continuously renewed.
75.Rapid reduction in sensitivity to a new odor results from rapid adaptation of the olfactory receptors.
76.The olfactory mucosa contains enzymes that remove odoriferous molecules so that the sensation of smell doesn't linger after the source of the odor is removed.
77.The primary olfactory cortex is in the temporal lobe.