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 digestive system is actually a long hollow tube called the gastrointestinal tract, or GI tract. The digestive system includes the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. Several major glands include the salivary glands, the pancreas, and the liver.