The gall bladder functions to:

Options

A. store bile
B. digest fats
C. store urine
D. release sodium bicarbonate

Explanation

**Step-by-Step Solution:**

1. **Identify the Function of the Gallbladder**: The gallbladder is an organ located near the liver. Its primary function is to store bile, which is produced by the liver.

2. **Understand Bile's Role**: Bile is an alkaline fluid that aids in the digestion and absorption of fats in the small intestine. It is essential for breaking down dietary fats into smaller molecules.

3. **Storage and Release of Bile**: The gallbladder stores bile until it is needed for digestion. When food enters the small intestine, the gallbladder releases the stored bile to help with fat digestion.

4. **Evaluate the Options**: Based on the understanding of the gallbladder's function, we can evaluate the options provided in the question. The correct option is "Stores bile," as this is the primary function of the gallbladder.

5. **Eliminate Incorrect Options**: Other functions mentioned, such as urine storage (which is performed by the urinary bladder) and sodium bicarbonate release (which occurs in the stomach, pancreas, and kidneys), are not related to the gallbladder.

6. **Conclusion**: The gallbladder's main function is to store bile, which is crucial for fat digestion in the small intestine.

**Final Answer**: The gall bladder functions to store bile.

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