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What type of system is required to maintain the amount of sugar in the blood at a certain level, making sure it does not rise too high or fall too low?
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If your blood becomes too concentrated with iona, what will happen to the red blood cells
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Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)
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What type of system is required to maintain the amount of sugar in the blood at a certain level, mak...
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