Every day, your body replaces billions of cells—and yet, your tissues stay perfectly organized. How is that possible?

The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body ...

In science fiction, spaceships moving at or beyond lightspeed enable all manner of universal exploration. But in Earth-bound reality, traveling at the speed of light (299,792,458 meters per second ...

Cellular atlases are unlocking the mysteries of the human body The Human Cell Atlas is yielding detailed maps of human tissues and systems throughout life, along with methods to handle single-cell ...

The simulation of human cardiovascular dynamics is essential for understanding organ pathology and advancing cardiovascular assistive devices. However, a notable gap remains in defining comprehensive ...

Find out how a healthy heart works and its role pumping blood around your body. Watch our short animated guide to your heart.

With misinformation or very little information being shared due to a number of factors, Nancy Redd's 'Body Manual' is helping kids understand their bodies.

UK parents were "shocked" after an indoor play center for kids put up Halloween decorations that resembled life-size body bags. "When I saw them I did a double take -- surely that can't be what I ...

Organ systems work together to keep the body in good health. For example, the circulatory and digestive systems work jointly to deliver nutrients throughout the body. Except for the reproductive ...