Discuss the role of hepato-pancreatic complex in digestion of carbohydrate, protein and fat components of food.

Explanation

### Step-by-Step Solution:

1. **Introduction to the Hepato-Pancreatic Complex**:
The hepato-pancreatic complex consists of the liver and pancreas, which play crucial roles in the digestion of carbohydrates, proteins, and fats when food enters the small intestine.

2. **Role of the Liver**:
- The liver produces bile, which is essential for digestion.
- **Changing pH**: Bile neutralizes the acidic chyme (partially digested food) coming from the stomach, converting it to an alkaline medium. This is vital because digestive enzymes work optimally in an alkaline environment.
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