The tiny hair-like structures present in the nostril are called ________ .

Explanation

**Step-by-Step Solution:**

1. **Identify the Structures in the Nostrils**: The question asks about tiny hair-like structures present in the nostrils. We need to recall what these structures are called.

2. **Recall the Function of These Structures**: These hair-like structures play a role in the respiratory system. They help in filtering the air we breathe by trapping dust and other particles.

3. **Name the Structures**: The tiny hair-like structures in the nostrils are known as "Cilia." They are part of the mucous membrane lining the nostrils.

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