Project Summary: Post your assignment to the Submissions Area for grading by the instructor by the due date assigned. The minimum length for this assignment is 1,200 words. Be sure to check your Turn it in report for your post and to make corrections before the deadline of 11:59 pm Mountain Time of the due date to avoid lack of originality problems in your work. Review the major aspects of how the human immune system functions. How is the proper functioning of this system of major importance to all other systems in the body? What kinds of things can go wrong with the immune function and how do these problems interfere with human life?