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A tube connected to the stomach where most chemical digestion and absorption take place
finger like projections that absorbs the nutrient molecules and increases the surface in the small intestine
3 Functions of the digestive system
1. Breaks down food into molecules the body can use.
2. The molecules are absorbed into the blood and carried throughout the body
3. Wastes are eliminated from the body.
Begins in the mouth but most occurs in the stomach. Three strong layers of smooth muscle contract to produce a churning motion. This action mixes the food with fluids.
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