Here's what makes this common diagnostic procedure so expensive. When it comes to pricey hospital procedures, MRIs come to mind. Sure enough, according to recently released Medicare pricing data analyzed by NerdWallet Health, the average cost of an MRI in the U.S. is $2,611.
Body Functions. Body functions are the physiological or psychological functions of body systems. The body's functions are ultimately its cells' functions. Survival is the body's most important business.Survival depends on the body's maintaining or restoring homeostasis, a state of relative constancy, of its internal environment.ts major activities or functions are responding to changes in the body's environment, exchanging materials between the environment and cells, metabolizing foods, and integrating all of the body's diverse activities. The body's ability to perform many of its functions changes gradually over the years.
The primary function of the kidney is to remove nitrogenous wastes (mainly urea) from the body. This is an extremely important kidney function, since toxic build-up of nitrogenous wastes in the body can lead to life-threatening diseases and eventually death.iltering the blood is the primary function of the kidney. Every day the kidneys process about 200 quarts (190 liters) of blood and filters out about 2 quarts of waste products and extra water.