What is the most expensive organ of the body?
A patient has jus received an organ transplant which treatment would be most effective in preventing the patients body from rejecting the organ?
In humans, the largest organ of the body is the skin. Yes, the skin is, in fact, an organ, part of the integumentary system. And the most important function it has can be debated, as there are several. However, most scientist would probably agree that the primary function is to protect the body from various pathogens which would otherwise attack the body.