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Numbers 3 and 6 are incomplete May someone help please?

Numbers 3 and 6 are incomplete May someone help please?-example-1
User Rycochet
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2 Answers

3 votes
- i think 4 is wrong
- 4: respiratory
- 6: diffusion
- 3: lungs
User Wikser
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4 votes

4 is wrong

4=respiratory

6=diffusion

3=lungs

User Arthur Vickers
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