Aditya was hanging upside down on a tree and trying to eat a mango. He was surprised that he could eat the food by defying gravity and wondered what is wrong with his body. Which of the below phenomenon is responsible for this behaviour?

Osmosis

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Peristalsis

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Regurgitation

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Reverse osmosis

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Solution

The correct option is B Peristalsis
The food moves through the digestive tract due to repeated contractions and relaxations that occur throughout the oesophagus. The contractions and relaxations move the food forward and into the digestive system. This is called peristalsis and is not dependent on the gravitaional force of the Earth.

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