Paired lungs are characteristic of ____.

tpost99

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Paired lungs are characteristic of ____.

Paired lungs are characteristic of ____.
a. spiders
b. all birds
c. all fishes
d. all amphibian life stages
e. all insects

Question 2

The least oxygenated blood is indicated by the letter ____.
a. A
b. B
c. C
d. D
e. E

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syd_daws

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tpost99 Author

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Thanks for your help <3

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