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 function of the human (or any animal's) digestive system is to digest food. It does this by absorbing the nutrients present in the food and water so as to supply energy â¦ to various body cells. This is accomplished by the collective activity of muscles and enzymes, juices and salts.wo solid organs, the liver and the pancreas, produce digestive juices that reach the intestine through small tubes. In addition, parts of other organ systems (for instance, nerves and blood vessels) play a major role in the digestive system.