The human body is a wonderous thing, especially when you consider how intricate and efficient each bodily system is. For instance, an adult’s blood vessels could encircle the earth 2.5 times if ...

Researchers at the Perelman School of Medicine recently joined a nationwide NIH-funded initiative to create the first comprehensive digital map of the healthy human body.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Each human is a ...

September 22, 2025 – National Institutes of Health (NIH) released the following: ...

An introduction into the amazing functions of the human body's five senses. An introduction into the amazing functions of the human body's five senses. Our bodies are constantly absorbing different ...

Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...

Your anatomy operates like a machine, it's success hinging on the work of over 70 organs, each with a unique function. From the heart's blood-pumping ability to the liver's filtering power, each ...

Expand your knowledge—and learn how to better your health!—with the best courses about the human body from top universities. You might think you know the ins and outs of how your body works from those ...

You have 3 different types of muscle: skeletal, smooth, and cardiac. Skeletal muscle alone accounts for over 650 different muscles. Have you ever wondered how many muscles you have in your body? The ...