The decrease in blood pressure causes your heart to beat faster as it works to ensure that your brain, kidneys, and other ...

View Full Profile. Learn about our Editorial Policies. The simple, constant rhythm of a beating heart is a reassuring sign of life. With each lub-dub, blood brings life-sustaining oxygen throughout ...

Cells in the developing heart must find the perfect match, much like a game of microscopic speed dating. Using filopodia—tiny ...

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 ...