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Use the following diagram to answer the question.

What part of the respiratory system is labeled 4?

1 lung
2 diaphragm
3 nasal cavity
4 trachea

Use the following diagram to answer the question. What part of the respiratory system-example-1
User Ryan Jeff
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2 Answers

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The answer is a lol your welcome
User JAM
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ANSWER : 1 lung

EXPLANATION :
User JSager
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