What’s all this about “dependencies”?

"It does not take a great deal of imagination to picture the "labyrinthine network of dependencies" that the above discussion invokes in the mind when considering all of the body's systems (muscular, digestive, lymphatic, pulmonary, circulatory, respiratory, immune, skeletal, excretory, urinary, endocrine, and reproductive) and their respective organs and cellular structures and substructures..."