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.
major waste product of protein metabolism. urine. liquid waste product. kidneys. constantly filters blood to remove waste products and excess water, excreted as urine which is 95% water and 5% other wastes. urinary tract. consists two kidneys, two ureters, one bladder, adrenal glands, and urethra. renal.