The human body is capable of movement because the muscular and skeletal systems work closely together. Of the pairs of human bod
y systems listed, which two are MOST closely linked in function? A) digestive - skeletal B) excretory - endocrine C) reproductive - muscular D) respiratory - circulatory
The respiratory system gives us oxygen and the circulatory system moves it around the body to all the different systems. They work most closely together.
