SarinandaSwan
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 Molamiow
  • 03-08-2016
c . sinoatrial node the system that controls the heart rate . i hope it helps xD
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