Air is warmed as it passes through:
Correct answer: A. Nasal cavities
- A. Nasal cavities
- B. Bronchi
- C. Trachea
- D. Alveoli
Explanation
The air is warmed as it passes through the nasal cavity. The nasal cavity is lined with membranes, which help to warm the air. The air is also moistened by the mucus that is produced in the nasal cavity.
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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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