👉 Excretion, in medical terminology, refers to the process by which a living organism's wastes or substances are expelled from its body through various channels and organs. This process can occur naturally or be caused by external stimuli, such as urine production during urination. In the context of the human body, excretion is an essential function that helps regulate water balance, maintain electrolyte equilibrium, and eliminate waste products. It involves a variety of mechanisms, including the kidneys, ureters, bladder, and rect
