From where does hepatic portal vein collect the blood ?

Explanation

### Step-by-Step Solution:

1. **Understanding the Hepatic Portal Vein**: The hepatic portal vein is a crucial blood vessel in the human body that plays a significant role in the circulatory system.

2. **Sources of Blood Collection**: The hepatic portal vein collects blood from several key organs:
- **Gastrointestinal Tract**: This includes the stomach and intestines, where nutrients from digested food are absorbed into the bloodstream.
- **Spleen**: The spleen filters blood and collects waste products, which are then transported to the liver.
- **Pancreas**: The pancreas produces digestive enzymes and hormones, and its blood supply is also routed to the liver.
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