4 sentences with “heartbeat”

With each heartbeat, more blood gushed out.

The face turns pale, the heartbeat increases, the pit of the stomach tightens and the limbs become paralysed.

If it had been possible to stop the heartbeat for a few minutes, the surgeon's task would have been much easier. But that would have required a heart-lung bypass machine.

In order to contribute to optimal muscle irrigation, other areas of the body undergo vasoconstriction: the face becomes pale, blood pressure rises, the heartbeat quickens, the pupils dilate and the small muscles under the hair follicles contract, resulting in the so-called "goose bumps".