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 functions of the blood are: 1  to transport oxygen away from the lungs and around the body; and CO2 from the body cells to the lungs. 2  to transport nutrients such as glucose and amino acids from the digestive system to the cells in our bodies.verall, blood performs the following functions:   1. Transports oxygen from the lungs to body tissues and transports  the waste products of cellular metabolism and nutri â¦ ents, hormones  and enzymes.   2. Regulates blood clotting, body temperature, acid-base balance,  water and electrolytes.