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aliya0001 [1]
3 years ago
11

What is first heart chamber to receive electrical signals and cause contraction​

Biology
1 answer:
postnew [5]3 years ago
4 0

Answer:

The pacemaking signal generated in the sinoatrial node travels through the right atrium to the atrioventricular node, along the Bundle of His and through bundle branches to cause contraction of the heart muscle.

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