This increased twisting motion, along with the smooth ventricular walls, probably allows the human heart to pump a larger ...

The outer shell was created by first starting with a 3D printed heart shape. This was used as a ... The LEDs are flashed in time with the heartbeat of the person holding the heart, thanks to ...

Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will beat more than 2.5 billion times. Give a tennis ball a good ...

Heart rate variability offers a closer look at how your heart behaves from one beat to the next. While heart rate measures the average number of beats per minute, heart rate variability bases a ...