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

a. two
b. three
c. four
d. one

User Lejla
by
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2 Answers

1 vote
of two chambered heart, but humans have four

User Datayja
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The circulatory system of mammals has a ________ chambered heart. c. four
User Shahab Khan
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