mi7chivrekkjani mi7chivrekkjani

06-04-2016
Biology

contestada

The circulatory system of mammals has a ________ chambered heart.
a. two
b. three
c. four
d. one

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JessyJass JessyJass

06-04-2016

The circulatory system of mammals has a ________ chambered heart. c. four

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06-04-2016

of two chambered heart, but humans have four

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