| − | '''Metabolism''' is the process by which a living [[organism]] takes energy from its surroundings and uses it to sustain itself, develop, and grow.<ref>Wile, Dr. Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc. | + | '''Metabolism''' is the process by which a living [[organism]] takes energy from its surroundings and uses it to sustain itself, develop, and grow.<ref>Wile, Dr. Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc. 2000</ref> In [[human]]s, from the age of 25 onward, the "metabolic rate slows down 5-10% each decade."<ref>{{cite web|url=http://www.mommyedition.com/18-ways-to-boost-metabolism-energy-and-weight-loss|title=18 Ways To Boost Metabolism, Energy And Weight Loss|accessdate=3 November 2014|quote=Unfortunately, starting at the age of 25, without proper diet and exercise, our metabolic rate slows down 5-10% each decade.}}</ref> |