A leg cramp is a sudden, uncontrolled contraction of a muscle. This can occur elsewhere in the body, but is most commonly experienced in the lower extremities. Leg cramps or spasms are unpredictable ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Walking your dog is a pretty mundane task. One that many of us partake in several times ...

How does the urinary system work? The urinary system's function is to filter blood and create urine as a waste by-product. The organs of the urinary system include the kidneys, renal pelvis, ureters, ...

Together, the brain and spinal cord that extends from it make up the central nervous system, or CNS. What is the brain made of? Weighing about 3 pounds in the average adult, the brain is about 60% fat ...