Question

What are the small, hair-like structures in the upper part of the respiratory tract called?

Q: Answer-What are the small, hair-like structures in the upper part of the respiratory tract called?

Cilia are microscopic hair-like structures lining the respiratory tract, playing a crucial role in protecting the lungs by trapping and expelling foreign particles, including dust and microbes.

A Cilia

B Villi

C Alveoli

D Bronchi

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What are the small, hair-like structures in the upper part of the respiratory tract called?

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