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Biology 21 Online
OpenStudy (anonymous):

Humans have microscopic subunits in the kidneys called _____ to filter blood, and spiders have _____ to absorb salts and wastes. nephridia; nephrons nephrons; Malpighian tubules setae; nephridia

OpenStudy (alphadxg):

b)nephrons;Malpighian tubules.

OpenStudy (anonymous):

thnx:))

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