Which is the longest part of the digestive tract with respect to length?

Options

A. Esophagus
B. Small intestine
C. Large intestine
D. Colon

Answer

**Step-by-Step Solution:**

1. **Understanding the Digestive Tract**: The digestive tract, also known as the gastrointestinal tract, is a long tube that extends from the mouth to the anus. It is responsible for the digestion and absorption of food.

2. **Identifying the Parts of the Digestive Tract**: The main parts of the digestive tract include the esophagus, stomach, small intestine, and large intestine. Each of these parts has a specific function and length.

3. **Measuring the Length of Each Part**:
- **Esophagus**: The esophagus is approximately 25 centimeters long.
- **Stomach**: The stomach is not typically measured in terms of length like the intestines, but it is relatively short compared to the intestines.
- **Small Intestine**: The small intestine is about 22 feet long (approximately 7 meters).
- **Large Intestine**: The large intestine is about 1.5 meters long.

4. **Comparing the Lengths**:
- When we compare the lengths of these parts, we find:
- Esophagus: 25 cm
- Small Intestine: 7 m (22 feet)
- Large Intestine: 1.5 m
- The small intestine is significantly longer than the other parts.

5. **Conclusion**: The longest part of the digestive tract, with respect to length, is the **small intestine**.

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