The Respiratory Tract Is Protected from Pathogens and Foreign Particles

question 48

True/False

The respiratory tract is protected from pathogens and foreign particles by both mucus membranes and cilia.

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Definitions:

Mining

The process of extracting valuable minerals or other geological materials from the Earth's surface.

Economy

The system of production, consumption, and distribution of goods and services in a particular society or geographical area.

Production

The process of creating goods and services through the combination of labor, materials, energy, and technology.

Distribution

The process by which goods, services, or resources are spread or allocated across different areas or among various groups.