citrus13690 citrus13690

10-10-2022
Biology

contestada

1. Sketch and label the pluck.
2. What happens to the lungs when air is blown in?
3. Explain why there are rings of cartilage around the trachea.
4. Where does the air go when the lungs blow up?
5. When a small piece of lung is placed in water, it floats. Why?
6. Are lungs hollow?

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