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difference between human's and rat's heart?

2007-02-09 18:21:25 · 2 answers · asked by nisha 1 in Science & Mathematics ➔ Biology

2 answers

The size, and smaller animals hearts beat faster.

2007-02-09 18:40:53 · answer #1 · answered by elliebear 7 · 0⤊ 0⤋

rats make it home human,s don,t know where their heart is

2007-02-10 02:32:34 · answer #2 · answered by r1114@sbcglobal.net 4 · 0⤊ 0⤋

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