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Taste bud

Taste buds are tiny sensory organs on your tongue that send taste messages to your brain. These organs have nerve endings that have chemical reactions to the food you eat. With how many taste buds humans have, you’re able to sense a range of flavors across five categories: sweet, sour, salty, bitter, and savory. Humans have about 10,000 taste buds that get replaced after every two weeks. As you age, some taste buds stop regrowing, so older people may have closer to 5,000 working taste buds. Because of this, foods may taste stronger when you are younger.