Function of respiratory passage cilia is to keep the airways clear from:
Correct answer: C. Dust
- A. CO2
- B. O2
- C. Dust
- D. CO
Explanation
Cilia play a crucial role in helping to remove dust and other foreign particles from the respiratory system.Tiny hairs called cilia protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose through the inhaled air.
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About Digestion
The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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