The Journey of Food Through the Body
Age 12 · Science
Food travels through one long tube: the mouth, the oesophagus, the stomach, the small intestine and then the large intestine. In the small intestine the useful nutrients pass into tiny blood vessels, which carry them all around the body.
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In the picture
- Mouth: teeth chew the food and saliva starts to break it down
- Oesophagus: a muscular tube that pushes food down to the stomach
- Stomach: churns food and mixes it with acid and digestive juices
- Small intestine: nutrients are absorbed into the blood here
- Large intestine: water is absorbed and the waste is formed
Examples
- After you eat a slice of bread, its starch is broken down into sugar that your blood carries to your muscles.
- Your stomach gurgles before lunch because its muscles are squeezing even when it is nearly empty.
Key takeaways
- Food always moves in the same order: mouth, oesophagus, stomach, small intestine, large intestine.
- Nutrients enter the blood mainly in the small intestine.
Quiz: The Journey of Food Through the Body (Age 12)
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After food leaves the stomach, where does it go next?
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In which part of the body do most nutrients from food pass into the blood?
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What is the job of the oesophagus?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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