Learn all about the human body's many systems and some of its individual organs, both vital and vestigial. When you purchase through links on our site, we may earn an affiliate commission.

We refer to an integrated unit as an organ system. Groups of organ systems work together to make complete, functional organisms, like us! There are 11 major organ systems in the human body.

and a human heart beats more than 3 billion times in an average lifespan. But among the most impressive systems of the body is the musculoskeletal system and all its muscles, ligaments ...

The human body is incredible. It is a unique system of interrelated structures and essential organs that work continuously to perform the duties required for daily life. For instance, your mouth, ...

An introduction to the amazing functions of the human body's nervous system. An introduction to the amazing functions of the human body's nervous system. This extremely advanced part of our ...

Can your body get rid of them as easily? Do your cells respond differently to these toxins?" To understand the physiological systems that may be contributing to these changes in behavior ...

For most of human history ... and urinary systems—and called it the interstitium. “That was actually a major discovery,” Nedergaard recalled. “All the fluid is taken up by cells that ...

Scientists Wednesday unveiled the first catalog of the bacteria, viruses and other microorganisms that populate every nook and cranny of the human body ... microbiome is all the microbial microbes ...

You may like Why does nearly all life breathe oxygen ... deoxygenated blood back to the heart. The system of blood vessels in the human body measure about 60,000 miles (96,560 kilometers).

In this article, we’ll explore all there is to know about the human respiratory ... Once air enters the body, it flows into the lower portion of the upper respiratory system with the pharynx ...