The impulse for the heart contraction intiates (begins) in the:?

A. left atruim, B. right atruim, C. left ventricle, D. right ventricle

2006-12-03 08:36:15 · 2 answers · asked by Amy 1 in Science & Mathematics ➔ Biology

The impulse originate frome the right atrium from the sinoatrial node

2006-12-03 09:16:07 · answer #1 · answered by Mostafa O 2 · 0⤊ 0⤋

Right atrium.
Doc. Dan.

2006-12-03 09:10:00 · answer #2 · answered by Dan S 6 · 0⤊ 0⤋

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