Your heart is a muscular organ about the size of a fist located in the chest cavity close to the lungs. It functions as a pump, consistently circulating blood throughout the body. The heart also helps ...

Your heart pumps blood from your head to your toes, provides cells with fresh oxygen, and removes waste products. Located in ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Share on Pinterest Researchers conducted an experiment to investigate the upper limit of the thermoneutral zone of the human body. Prof. Lewis Halsey, University of Roehampton Researchers investigated ...

Your heart beats billions of times in a lifetime, tirelessly pumping blood, supporting life, and adapting to activity. Learn ...