Fat is completely digested in the

Options

A. stomach
B. mouth
C. small intestine
D. large intestine

Answer

**Step-by-Step Solution:**

1. **Understanding the Question:**
- The question asks where fat is completely digested in the digestive system.

2. **Identifying the Digestive Process:**
- Digestion of fats (lipids) is more complex than other nutrients due to their insolubility in water.

3. **Role of Bile:**
- Bile, produced by the liver and stored in the gallbladder, plays a crucial role in emulsifying fats, making them easier to digest.

4. **Location of Fat Digestion:**
- The small intestine is the primary site for the complete digestion of fats.

5. **Enzymatic Action:**
- The enzyme lipase, which is secreted by the pancreas, is responsible for breaking down fats into smaller components like diglycerides and monoglycerides.

6. **Final Products of Fat Digestion:**
- The final products of fat digestion are fatty acids and glycerol, which are absorbed in the small intestine.

7. **Conclusion:**
- Therefore, the correct answer to the question is that fat is completely digested in the **small intestine**.

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