The answer is (C) using muscle movements and enzymes to break down food.
C. using muscle movements and enzymes to break down food
The primary role of the stomach in digestion is using muscle movements and enzymes to break down food. It mechanically churns food and chemically digests proteins with gastric acid and enzymes like pepsin. This process transforms food into a semi-liquid mixture called chyme, preparing it for nutrient absorption in the small intestine.
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