Sheena's brother pranced about while his mother fed him lunch. even when he was hanging upside down from the bars, he managed to swallow portions well. why did his food not fall off due to gravity?
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It is a common myth that gravity helps in the transfer of food from mouth to stomach through food pipe. Actually, this is wrong. It is the muscles of the esophagus that push the food down.
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Answer:
There is a wave like motion in the muscular oesophagus called 'Peristalsis' which helps to push the food down through the alimentary canal. It isn't the gravity that helps to swallow food.
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