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First, you need to read these notes to understand the structures and functions of the key organs in the digestive system, and how these organs help break down specific molecules from the food we eat so that our body can use them.

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Here, you can watch a video about the term 'peristalsis', which is mentioned in our lesson notes. It will help you understand how it works.

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Here, you can see how the digestive system works. Watching these steps in the video will help you remember them more easily.

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How the Digestive System Works | 3D Animation

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In this video, you will learn about the adaptations of the small intestine, a very important organ in the digestive system.

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Small intestine and food absorption | Physiology | Biology | FuseSchool

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The diagram above shows how epiglottis work during ingestion.

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Please try to complete these questions; it will help you remember and reinforce what you have learned.