How to Diagnose POTS. POTS, which stands for Postural Orthostatic Tachycardia Syndrome, is a condition in which your body has trouble responding to sudden changes in position (known as postural changes).http://www.ncbi.nlm.nih.gov/pmc/ar...
Structure of adenosine triphosphate (ATP), a central intermediate in energy metabolism. Metabolism (from Greek: Î¼ÎµÏÎ±Î²Î¿Î»Î® metabolÄ, change) is the set of life-sustaining chemical transformations within the cells of living organisms.
metabolism. 1. biotransformation. 2. the sum of the physical and chemical processes by which living organized substance is built up and maintained (anabolism), and by which large molecules are broken down into smaller molecules to make energy available to the organism (catabolism).