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 ...

The human heart is a vital organ that pumps blood through the body. You probably don't even think about it, but your heart is always working — it beats about 100,000 times a day, which adds up ...

A normal healthy human heart beats at a rate of 50 to 100 per minute. Heart rate is a sensitive indicator of human health and ...

These tireless cells, called pacemakers, which control the beat of your heart, came into being ... This short film is from the BBC series, Inside the Human Body. The 3D footage brings the topic ...

From the moment our ears physically develop, we’re exposed to one of the most regular sounds of all – the human heart beat. A regular, predictable pulse has been a feature of music in every ...

In the attempt to calculate the power of the human heart for a given time ... be estimated atono amdono half ounces.and itsnumberof beats nt «eventy-five per minute ; waking au aggregato of ...