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1
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a shark breathes through its ____
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2
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a shark body can fight off sickness better than a ____ body
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3
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a pelvic fin can be found ____ the shark
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6
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sharks have ___ dorsal fins
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7
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blood is pumped by the ____
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9
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a shark has two ____ fins
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10
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a ____ is in front of a caudal fin
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12
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gill slits are found on a shark's ____
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13
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a tail fin is also called a ____ fin
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