Multiple choice

Which major organ in our body has the pacemaker?

  1. Lungs

  2. Heart

  3. Kidney

  4. Stomach

  5. Brain

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

Heart has the pacemaker (sinu-atrial node), which is present at the place of the origin of heart beat. Without this, a heart beat will not be produced and our heart will not be able to pump blood.