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Study
Animal Respiration
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What's its system to breathe?
lungs
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What's its system to breathe?
body surface
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What's its system to breathe?
body surface
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Okay!
What's its system to breathe?
gills
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What's its system to breathe?
tracheal system
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What's its system to breathe?
tracheal system
Oops!
Okay!
What's its system to breathe?
lungs
Oops!
Okay!
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