What is pancreas? Mention the major secretions of pancreas that are helpful in digestion.

Explanation

### Step-by-Step Solution:

1. **Definition of Pancreas**:
The pancreas is a mixed gland, meaning it has both endocrine and exocrine functions. It is located in the loop of the duodenum, which is the first section of the small intestine, connecting to the stomach.

2. **Location**:
The pancreas is situated behind the stomach and extends horizontally across the back of the abdomen. It is positioned in the loop formed by the duodenum.

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