Question

Why blood flows in heart? What happen if it does not flow in heart?

Answer 1

heart only pumps the blood through out the body it only have the pumping capacity.
if blood does not flows from the heart body parts does not works.
oxygen supply stops to every cell then all organs will be dameges.

Answer 2

there wouldn't be oxygenated blood at all in your body as heart is the organ that pumps your blood to various other parts and purifies the blood from avoiding co2 to mix with blood as it makes a person die