1) How does air enter the body? 2) What does a nostril consist of?
3) What is the function of nostrils?
4) Why are nostrils lined with mucus?
5) How do we also call the throat?
6) What is trachea surrounded by?
7) What happens if ROC are absent?
8) Where does the exchange of gases take place?
9) What do the walls of alveoli consist of?
10) How is oxygen transported to the cells of the body?
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1) How does air enter the body? 2) What does a nostril consist of? 3) What is the function of nostri...
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