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Biology, 06.05.2020 07:25 wyattlb97

The diagrams below represent some respiratory structures in three organisms. The labeled structures in these organisms all have a similar function. What is the main function of the labeled structure(s) in each organism?
1. circulation of blood
2. digestion of food
3. production of hormones
4. exchange of gases


The diagrams below represent some respiratory structures in three organisms. The labeled structures

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The diagrams below represent some respiratory structures in three organisms. The labeled structures...
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