Medical Dictionary. arrhythmia. play. noun arÂ·rhythÂ·mia \Ä-Ërith-mÄ-É\. Medical Definition of arrhythmia. : an alteration in rhythm of the heartbeat either in time or force.
Central metabolism provides mechanisms for the generation of energy from carbon-energy source catabolism and the production of biosynthetic precursors and intermediates for the anabolic pathways essential to maintain cell structure and function.
A: The products of aerobic cellular respiration include water, carbon dioxide, adenosine triphosphate (ATP) and two different energy carrying molecules: NADH and FADH2. The process is ultimately intended to produce ATP â a molecule that holds the energy used to power the cell's various functions.