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Smell and taste are two of your most important senses. They dynamically work together to enhance the taste of your food. They both work very differently as they combine their forces to give your brain the message of what you are smelling or tasting. Of all five senses, smell is the simplest and fastest. The nose has two important jobs; to help breathe and to smell. In the air all around us there are smell molecules which are forced up to your nasal cavity where your smell organs are. The rest of the smell molecules travel to the olfactory organs, which are two small patches behind the bridge of the nose that are covered with millions of nerve receptors. The nerve receptors change the smell molecules into nerve impulses which are sent to the brain's olfactory center in the cerebral cortex, where it is sorted and identified. |
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Scientists are not sure how or why, but sometimes a smell might
remind you of someone or something; they seem to believe that your brain
makes connections with certain smells and people or objects.
The sense of smell also
helps make food taste appealing, which helps your appetite because when
you smell food you get hungry. Without smell you would only taste four
flavors: sweet, sour, salty, and bitter. Also, some people believe that
you could taste meat too.
Without
taste you might lose interest in eating; for you wouldn’t be able to
taste your favorite foods. When food or drinks reaches your tongue it is
recognized by little bumps on your tongue called papillae. Inside the
papillae are your taste buds which are balls of nerve receptors. When
you were a baby you had more taste buds than now because you lose them
while you grow older. That is why most adults are not very picky about
what they eat; while babies and young children enjoy sweet, salty foods
and are very picky about what they eat.
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