write any three function of tongue in humans std 7
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The tongue is vital for chewing and swallowing food, as well as for speech. The four common tastes are sweet, sour, bitter, and salty. A fifth taste, called umami, results from tasting glutamate (present in MSG). The tongue has many nerves that help detect and transmit taste signals to the brain
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Answer: (a) Tongue is responsible for speech. Short tongue or tongue tie patients will have difficulty in pronouncing words. The sound that is produced from the voice box needs the help of the tongue to make a word more audible and apprehensible.
(b)Tongue helps to keep the oral cavity clean. The food particles attached to the teeth are cleared by tongue.
(c)Tongue helps to identify the thermal nature of the food, whether it is hot or cold.
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