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The tongue papillae, including the taste buds, can become inflamed. A sore tongue is not always a sign of something more serious. The tongue should be included in good dental health habits. Over time, smoking can make the tongue more sensitive to heat and cold.
The tongue is a muscular organ. It is covered with a moist and pink tissue called the mucosa. The tiny bumps on the surface of the tongue are called papillae. Embedded within the papillae are several thousand taste buds that are responsible for detecting sweet, salty, bitter and sour tastes.