In Your Designed Body, systems engineer Steve Laufmann and physician Howard Glicksman examine the numerous, complex systems within the human body to show that intelligent design is better able to explain their existence and operation rather than unguided forces within nature. They explore the carefully choreographed functions of different organs, the delicately balanced feedback mechanisms of specialized tissues within these organs, and the unbelievable capabilities of molecular machines within each living cell.

They argue that the top-down arrangement and functional decomposition of the human body into systems, sub-systems, segments, and components, with complex sensor networks and real-time feedback loops, use the same Systems Engineering principles that humans use to solve difficult design problems and create complex inventions like modern aircraft, automobiles or computer networks.
They show that Neo-Darwinism can’t explain how these irreducibly complex systems could have come into existence through gradual, incremental changes; in order to confer a functional advantage for survival and reproduction, they must have come into being all at once or not at all.

They also discuss the growing crisis in modern evolutionary theory as more evidence accumulates that life did not emerge through a gradual succession of intermediate forms; the sudden leaps forward of punctuated evolution require a source of new genetic information to generate and assemble these new body plans, and the only known source of information is an intelligent designer.

This would be an excellent high school anatomy and physiology textbook for homeschoolers or Christian apologists looking for solid arguments against the pervasive naturalistic and mechanistic views of secular humanism and post-modernism that dominate society.