Multiple choice

Vertebrates are more evolved organisms than invertebrates. The origin of a heartbeat occurs in a certain part of the heart. Due to this, a heartbeat in vertebrates is

  1. myogenic

  2. neurogenic

  3. Both (1) and (2)

  4. None of these

  5. -
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In the human heart, contraction is initiated by a special modified heart muscle known as sinoatrial node. It is located in the right atrium.

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