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 ...

If you clench your hand into a fist, this is approximately the same size as your heart. It is located in the middle of the chest and slightly towards the left. The heart is a large muscular pump ...

The ribs and rib cage are excellent examples of the human body’s multifaceted and ... the vital organs in the chest cavity, including the heart, lungs, and spleen. Yet, the ribs and rib cage ...