Chemistry, 23.05.2020 01:03 amypeace1978

13 points!
Which of the following is a group of cells that sends signals to control the heart rate?

Atrium
Pacemaker
Septum
Valve

Answers: 2

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13 points! Which of the following is a group of cells that sends signals to control the heart rate? Atrium Pacemaker Septum Valve

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Another question on Chemistry

13 points!
Which of the following is a group of cells that sends signals to control the heart rate?

Atrium
Pacemaker
Septum
Valve