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OpenStudy (anonymous):
2. Urea, a waste product, is collected from all the tissues of the body by the circulatory system and is selectively removed from the blood by the kidneys. A. true B. false
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OpenStudy (shreehari499):
Yup its absolutely true..@lilshawtyy ..:)
OpenStudy (anonymous):
i dont no why they want us to learn about pig parts in biology
OpenStudy (anonymous):
Know*
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