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  • Biology Mixed Test - 1
  • Which of the following structures stimulates the ventricu...
Multiple choice

Which of the following structures stimulates the ventricular systole?

  1. SA node

  2. AV node

  3. AV valve

  4. AV aperture

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It receives the impulse from SA node and directs it down the ventricles.

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