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I'm not sure <a href=" http://www.sharonlevy.com/artpages/write-a-research-paper-on-abortion.html ">sites that write papers for you</a> The minibrains grew 2-3 millimeters (0.08-0.1 in) in diameter, and have survived in lab dishes for 10 months so far. Their size is limited, because they lack a circulatory system to provide nutrients and oxygen to their core regions. As a result, the brains could not develop the many layers seen in a real human brain, the researchers said.
