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  • Biology Mixed Test - 1
  • What is true about the AV node of the human heart?
Multiple choice

What is true about the AV node of the human heart?

  1. It conducts impulse very rapidly.

  2. It is highly contractile.

  3. It consists of modified muscle fibres.

  4. It is composed of modified nerve fibres.

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

It has the muscle fibres which conduct the impulse.

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