Gustation and olfaction rely on each other to give complete perceptions of taste and smell.

True

Gustation give a taste perception and olfactory is an insight of smell. In gustation, only four tastes were recognized, namely sweet, salty, sour, and bitter. However, research of the 20th century led to recognition of the fifth taste, umami that means delicious taste or savory. 

Meanwhile, olfaction or the sense of smell is a responsive stimulus that contains bipolar sensory neurons that are located in a small region within the superior nasal cavity.

the correct answer is b

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