Twisted bones of nasal chambers are

Options

A. Choanae
B. Conchae
C. Rima glottidis
D. Mediastinum

Answer

To answer the question "Twisted bones of nasal chambers are," we need to analyze the given options carefully.

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the twisted bones found in the nasal chambers. We need to identify which option corresponds to this description.

2. **Analyzing the Options**:
- **Option A: Koane** - This term refers to the posterior nasal aperture. It is not a twisted bone but rather an opening at the back of the nasal cavity. Therefore, this option is incorrect.

- **Option B: Concha** - The term "concha" refers to the bony structures in the nasal cavity that are indeed twisted or scroll-shaped. These structures are also known as nasal turbinates and play a role in filtering and humidifying the air we breathe. This option is likely correct.

- **Option C: Rimau Glottis** - This term refers to the narrowest part of the larynx. It is not related to the nasal chambers, so this option is incorrect.

- **Option D: Mediastinum** - The mediastinum is an area in the thorax that separates the lungs. It does not pertain to the nasal chambers, making this option incorrect as well.

3. **Conclusion**: After analyzing all the options, the correct answer is **Concha**, as it describes the twisted bony structures in the nasal chambers.

### Final Answer:
The twisted bones of nasal chambers are **Concha**.

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