W hen we age, our scrapes don’t heal as quickly, our movements elicit grunts, our twinges persist longer than they used to.

Your body detoxes naturally through your liver, kidneys, and digestive system without expensive cleanses. Learn how to ...

The immune system is the body’s tool for preventing or limiting infection. Its complex network of cells, organs, proteins, and tissues enables the immune system to defend the body from pathogens.

The digestive system is the series of tubelike organs that convert our meals into body fuel. There are about 30 feet (9 meters) of these convoluted pipeworks, starting with the mouth and ending ...

Learn about human lungs, respiration system, breathing in oxygen and breathing ... An introduction to the major organs of the human body. VideoAn introduction to the major organs of the human ...

New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three separate bodies orbiting one another in a complex triad. This rare orbital ...

Find out how conformers and regulators maintain their body temperature in different ways. Find out how the circulatory system takes oxygen around the body. What is in your blood? Discover how ...