Hearing is not the only function of the ear Interview with Barbara Zanchi by Andrea Bistrich. An interview with music therapist, Barbara Zanchi, about sound-stimulation, shown to balance mental and physical capabilities through expansion/control of one's listening capacity.
The urinary system, also known as the renal system, consists of the kidneys, ureters, bladder, and the urethra. Each kidney consists of millions of functional units called nephrons.
The excretory system is a system of organs that work together to rid the body of any waste. The excretory systems includes the lungs, ureter, urethra, liver, urinary bladder, kidneys and skin. The excretory system controls the volume of extracellular fluid and also maintains ionic balance in the fluid.