Assertion: american camel | /r/UsedFor | the expansion of the cells
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text: Unlike the Bactrian and the dromedary, South American camels do not have humps; but, they do share the characteristic Camelid distinguishing trait of padded feet rather than hoofs-- to keep them from sinking into drifting sand-- as well as uniquely, oval shaped red blood cells-- to allow for the expansion of the cells without rupturing, when the Camelid drinks large amounts of water.