Syrinx is present in the region of

Options

A. Origin of trachea
B. Middle of trachea
C. End of trachea
D. End of bronchi

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the location of the syrinx in birds. The syrinx is known as the sound-producing organ in birds.

2. **Identifying the Options**: The options provided are:
- Origin of trachea
- Middle of trachea
- End of trachea
- End of bronchi

3. **Reviewing the Anatomy**: The syrinx is located in the respiratory system of birds. It is crucial to understand the anatomy of the bird's respiratory system to determine the correct location of the syrinx.

4. **Locating the Syrinx**: The syrinx is situated at the junction where the trachea (windpipe) meets the bronchi. This means it is not located at the origin of the trachea or in the middle of the trachea.

5. **Analyzing the Options**:
- **Origin of Trachea**: Incorrect, as the syrinx is not located here.
- **Middle of Trachea**: Incorrect, as the syrinx is not in the middle section.
- **End of Trachea**: Correct, as the syrinx is located at the junction of the trachea and bronchi.
- **End of Bronchi**: Incorrect, as the syrinx is not located at the end of the bronchi.

6. **Conclusion**: The correct answer is that the syrinx is present at the **end of the trachea**.

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