During an average lifetime, the human heart will beat more than 2.5 billion times. Give a tennis ball a good, hard squeeze. You're using about the same amount of force your heart uses to pump ...

This workout seemed to help the cells mature. Visually, they began to take on the structures of human heart tissue, and the cardiomyocytes beat harder. A genetic analysis showed that these cells ...

For most of history, the human heart has been regarded as a forbidden ... that would allow him to cut into the wall of a still beating heart, insert a finger, locate the shrapnel and remove ...

These effects result in a disruption of the heart’s electrical signals, leading to irregular beating. One major source of ...

Katlyn's heart is now beating correctly ... This short film is from the BBC series, Inside the Human Body. The 3D footage brings the topic to life and would enhance any lesson on the heart ...