The human skeleton provides several functions including support, protection, movement and making blood cells. Antagonistic muscles work against each other in pairs. The human reproductive system ...

How do different animal circulation systems work? Find out about the different ... Sweating, drinking and the kidneys help keep body temperature and water levels balanced. How do animals control ...

The concentration of the coordinating parts of the nervous system and some of the sensory systems in the anterior part of an animal’s body is called cephalization. Specialized functions ...

Discover how to support your body’s natural detox system with simple daily habits instead of extreme diets or supplements.

Life's essential functions are powered by a set of compounds called metabolites, which are involved in every natural process including producing energy, regulating cell activity and keeping the body's ...