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Biology 20 Online
OpenStudy (anonymous):

The nervous system of complex animals gather information using cells called... A. muscles. B. Pharyngeal pouches. C. Notochords. D. Receptors.

OpenStudy (anonymous):

I think it might be D, give me a minute to check some resources to be sure.

OpenStudy (anonymous):

Okaay,thankyou!!

OpenStudy (anonymous):

woops! I was inncorrect it's Notochords.

OpenStudy (anonymous):

Ohh,okaay!! Thankyou!!

OpenStudy (anonymous):

No problem

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