The upper part of the respiratory tract is provided with small hair like structures called ........

Current GK (MTS) General Science

The upper part of the respiratory tract is provided with small hair-like structures called ______.

bronchi

cilia

villi

alveoli

- The upper part of the respiratory tract is equipped with tiny hair-like structures known as cilia.

- Correct Answer: Option 2 - Cilia

- Cilia help in moving mucus and trapped particles out of the respiratory system.

- Option 1 - Bronchi

- Bronchi are the main passageways in the lungs that branch from the trachea into the lungs themselves.

- Option 3 - Villi

- Villi are small, finger-like projections found in the small intestine, not related to the respiratory tract.

- Option 4 - Alveoli

- Alveoli are tiny air sacs in the lungs where gas exchange occurs.

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