When this muscle contracts (makes itself smaller) it pushes blood through the circulatory system.

All strokes should be made in the direction of the heart, pushing blood towards it.

When the heart beats, it pushes blood through the arteries in your entire body.

Harvey tried to push blood in the vein down the arm, but to no avail.

He pushed himself to a sitting position and blinked his eyes open, spat blood onto the floor, fighting off a wave of nausea.

This pushes blood out of the heart and into the blood vessels.

Some of the pressure produced by your heart is just for pushing blood through blood vessels.

The right ventricle is no longer able to push blood into the lungs and eventually fails.

This makes it even harder for the heart to push blood through the arteries on the next beat.

The balloons that push blood through the arteries, you know?