In Which part nasal chamber opens ?

Explanation

To answer the question "In which part does the nasal chamber open?", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Nasal Chamber**: The nasal chamber refers to the nasal cavity, which is the space behind the nose where air enters before it moves to the throat.

2. **Identifying the Relevant Anatomy**: The nasal cavity connects to the pharynx, which is a common passage for both air and food. The pharynx is divided into three parts: nasopharynx, oropharynx, and hypopharynx.

...