Study the diagram given below and answer the questions that follow:
Name the structure shown and label its parts 1 and 2.

Explanation

To answer the question, we will follow these steps:

### Step 1: Identify the Structure
The diagram provided represents a part of the human digestive system. Specifically, it illustrates the human elementary canal.

### Step 2: Label the Parts
Now, we need to label the parts indicated in the diagram:
- **Part 1**: This part is known as the **stomach**. The stomach is a muscular organ that plays a key role in digestion by breaking down food and mixing it with digestive juices.
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