Among the most impressive systems of the body is the musculoskeletal system. But how many muscles are in the human body?

Learn all about the human body's many systems and some of its individual organs, both vital and vestigial.

Protein gives you energy thanks to amino acids. Learn why researchers want to reassess daily protein recommendations and what protein does in the body.

Healthline reports that the top five largest organs in the human body are: Skin Liver Lungs Heart Kidneys What to know about your liver The liver is the body’s largest solid, internal organ.

Estrogen vs. Progesterone: Functions in the Human Body Functions Comparison Birth control Menopause Gender affirming care Dominance syndromes Takeaway ...

For most of human history, the inner workings of the human body were a secret. Over the last few centuries, the invention of the microscope and other scientific techniques allowed scientists to ...

Microbiomes in older mice pumped out damaging metabolites that drove endothelial cell senescence, offering potential targets ...

Even after decades of research, biologists are still uncovering surprises about the human body. A team of researchers from ...

When you're young and in good health, the human body seems like an incredibly complex feat of engineering. But as you get older, it starts to feel more like my '97 Volvo that's held together with ...

Human Hormones and Their Functions Hormones are chemical messengers that influence various body functions, including reproduction, metabolism, and growth via signaling mechanisms.

A new international study led by scientists from Ben-Gurion University of the Negev has characterized the populations of fat cells in various fat tissues in the human body. Using innovative ...