digestion, How your body breaks down food into smaller pieces so it can use it., saliva, The watery liquid in your mouth that helps soften food., peristalsis, The way your body's muscles squeeze and push food down your throat and belly., nutrients, The healthy parts of food that give your body energy and help you grow., absorption, How your body takes those healthy nutrients out of your food and into your blood.How your body takes those healthy nutrients out of your food and into your blood.

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