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Food refers to any substance that is consumed by living organisms to provide nutritional support. It can be solid or liquid and is typically ingested through the mouth.
Taste refers to the sensation experienced when certain substances come into contact with taste buds on the tongue.
Smell refers to the perception of odors or scents through the olfactory system in the nose.
Flavor: Flavor refers to the combination of taste and smell sensations experienced when consuming food.