What are the main steps of digestion in humans?
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7
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The digestive system is composed of the mouth, pharynx, esophagus, stomach, small intestine, large intestine (or colon), rectum, and anus. There are four steps in the digestion process: ingestion, the mechanical and chemical breakdown of food, nutrient absorption, and elimination of indigestible food
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Answer:1. Ingestion
2. Breakdown of food
3. Absorption of nutrients
4. Excretion
Explanation:
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