The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical homeostasis and prevent ...

Remove waste from the body Osmoregulation close osmoregulationA form of homeostasis which controls the volume of water in the body. The reabsorption of water back into the blood (at the medulla ...

The human body is made up of cells, which make up tissues, which in turn make up organs that form the basis of systems, all working together to keep us alive. Learn how body systems and their vital ...

Aside from the absence of menstruation, menopause involves a whole host of effects on the body. Some of them can ... other parts of the reproductive system. When you’re no longer going through ...

The skin forms the largest organ in the body. Among its many functions: protective shield, a store for nutrients and water, an excretory organ for metabolic breakdown products ... to serve as a ...

Powered by Nature Navigator. Good news — more stories on the human microbiome will be published here throughout the year. Click below to sign up for email updates from Nature Briefing ...

In the coming decades we will learn more about how the human body responds to the various spaceflight environments, how biologic variability affects systems risk posture, and how various ...

How bad is modern life for our body clocks – and what can we do? Modern life disrupts the circadian rhythms controlling our biology – increasing our risk of developing conditions ranging from ...

The human body is a pretty awesome and complex place. You probably know about muscles, bones, joints, tendons and ligaments ...

This is the vision - in an indoor garden, a honeycomb structure lines the walls, and inside each cell, a human body composts. When it's done, loved ones take home a pot of soil, not an urn of ash.

More than half of your body is not human, say scientists ... regulating the immune system, protecting against disease and manufacturing vital vitamins. Prof Knight said: "We're finding ways ...