Concept:The pancreas secretes the widest range of digestive enzymes for carbohydrates, proteins, and fats.
Explanation:The pancreas produces several enzymes, including amylase, trypsin, chymotrypsin, lipase, and nucleases.
Salivary glands mainly release salivary amylase only.
The stomach mainly secretes pepsin and gastric lipase.
The colon does not produce digestive enzymes.
Therefore, the pancreas provides the greatest variety of digestive enzymes.
Answer:B. Pancreas