Although we're all familiar with taste, it is surprisingly complex and puzzling. What we call taste encompasses the combined sensory inputs of taste, touch and smell, as influenced by sight and sound. The tongue and associated receptors in the mouth detect only salty, sweet, sour, bitter, savoury and possibly metallic, yet we can 'taste' such flavours as mango, onion, strawberry, mint, cinnamon and vanilla. Flavours such as these are discovered by the tongue and the nose together, not by either of these organs alone.
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