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explain how the heart beats?

2006-06-06 13:58:47 · 2 answers · asked by Alexandria♥ 2 in Education & Reference ➔ Homework Help

2 answers

you will love this.

2006-06-06 14:22:22 · answer #1 · answered by Texas Cowboy 7 · 0⤊ 0⤋

As a four chamber pump powered from the sinus node.

2006-06-06 21:03:08 · answer #2 · answered by Anonymous · 0⤊ 0⤋

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