Structural Biochemistry/Free energy - Standard Gibbs Free Energy of Formation. 1  When we have to consider the relationship between Gibbs free energy and the standard-state free energy of a reaction, we use this equation... 2  to calculate Gibbs free energy at that of time under a specific circumstances.
digestive system definition. The organs and glands in the body that are responsible for digestion. The digestive system begins with the mouth and extends through the esophagus, stomach, small intestine, and large intestine, ending with the rectum and anus. Other organs in this system include the liver, pancreas, gallbladder, and appendix.
Definition. noun (1) The digestive tract where food passes through so that the nutriment is digested and absorbed into the blood whereas the indigestible or nonessential portion is eliminated as waste (2) A tubular structure of muscle and mucous membrane lining that begins at the mouth and ends at the anus