Mention the organs that are involved in the respiratory system.

Explanation

### Step-by-Step Solution:

1. **Nose and Nostril**: The first part of the respiratory system where air enters. The nose filters, warms, and moistens the air.

2. **Nasal Passage**: After the nostrils, air moves into the nasal passage, which further processes the air before it reaches the throat.

3. **Pharynx**: The nasal passage opens into the pharynx, which is a common pathway for both air and food.

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