SarinandaSwan SarinandaSwan

03-08-2016
Biology

contestada

The function of the sinoatrial node is to
a. filter lymph.
b. prevent blood from backing up into the atrium.
c. keep the heart beating.
d. divide the right and left sides of the heart.

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Molamiow Molamiow

03-08-2016

c . sinoatrial node the system that controls the heart rate . i hope it helps xD

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