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.
Answered by The Community. Making the world better, one answer at a time. The skin is the largest organ in the human body. Three of its functions are protecting the body from the environment, particularly the sun, preventing excessive water loss from the body, and protecting the body from infection. Each of the structures that make up the skin has one or more  functions, which play a vital role in maintaining good health. One  of t â¦ he primary purposes of the skin is to provide a flexible,  protective shield between us and the outside world.