1. Tardigrade
  2. Question
  3. Biology
  4. When two atria contract simultaneously and result in the blood pumping into ventricles, this is called

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. When two atria contract simultaneously and result in the blood pumping into ventricles, this is called

Body Fluids and Circulation

Solution:

As the two atria contract simultaneously (Stimulated by SA node) blood is pumped into the ventricles. This is called atrial systole. Bicuspid and tricuspid valves are open during this phase.