How do I swallow food? - FamousWhy
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How do I swallow food?

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How do I swallow food? Swallowing is a complicated muscular process. Your tongue forces food to the back of your mouth and into the throat. At the same time the soft part of the roof of your mouth closes off the air passages to your nose and a small flap called the epiglottis closes off the passage to your lungs so you do not inhale the food.

You can actually swallow upside down because the food is carried along the digestive system by muscular waves. Astronauts are able to swallow when there is no gravity to help carry the food down their food pipe.

What happens to food in the stomach?

Food in the stomach is churned up with acid and digestive juices that start to break it down. This is the beginning of digestion. The stomach wall is covered with a layer of mucus that stops it from digesting itself. The acid in the stomach helps digestion, and also kills bacteria that have been swallowed with the food.

Tags: food, muscles, stomach, tongue

Category: Education  - ( Education Archive)

Date Added: 21 December '11

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