alyiahxo16 alyiahxo16
  • 08-11-2016
  • Physics
contestada

Group of cells that adjust the speed of the heartbeat is called the what??

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m22 m22
  • 08-11-2016
Pacemaker........................................................
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abeckem02
abeckem02 abeckem02
  • 08-11-2016
I believe the answer is the lub-dub.
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