Study the diagram given below and answer the questions that follow :
Label the parts 1 - 4.

Explanation

To label the parts of the digestive system diagram, follow these steps:

1. **Identify Part 1**: Look at the diagram and locate the first part. This part is the **gallbladder**. The gallbladder is a small pouch that stores bile produced by the liver.

2. **Identify Part 2**: Next, find the second part in the diagram. This part is known as the **common bile duct**. The common bile duct is a tube that carries bile from the gallbladder and liver to the small intestine.

3. **Identify Part 3**: Now, locate the third part of the diagram. This part is the **pancreas**. The pancreas is a gland that produces digestive enzymes and hormones, including insulin.

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