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 beats 60-100 times a minute, without you needing to pay any attention to it. Heart function is controlled by the brain’s autonomic nervous system (the parasympathetic and ...

These tireless cells, called pacemakers, which control the beat of your heart, came into being ... of the inner workings of the human eye by combining CGI with a real life story of divers who ...