Final answer:
Most chemical digestion occurs in the small intestine as a result of the activity of enzymes made by the pancreas.
Step-by-step explanation:
The correct answer is b) Small intestine; pancreas. Most chemical digestion occurs in the small intestine as a result of the activity of enzymes made by the pancreas. The small intestine is where the majority of nutrient absorption takes place, and the pancreas plays a crucial role in producing digestive enzymes that break down carbohydrates, proteins, and fats.
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