What I have is a mechanical substitute that pumps blood though a broken body.

Each pulse matches up with a heartbeat that pumps blood into the arteries.

By the way, the heart is an organ that pumps blood around the body which is why it has no problems with the reptile.

The heart has an electrical system that controls how it beats and pumps blood throughout the body.

A heart is an organ that pumps blood in various species.

Two branchial hearts feed the gills, each surrounding the larger systemic heart that pumps blood around the body.

While the heart is a muscle that pumps blood through the body, its electrical system sets the beat.

The disease affects the right ventricle, the part of the heart that pumps blood to the lungs.

In lay terms, this means an enlargement of the heart chamber that pumps blood to body tissues, including the cardiac muscle itself.

Your heart only pumps blood to here" - he pointed to his chest, where his physical sensation stops.