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The human body is capable of movement because the muscular and skeletal systems work closely together. Of the pairs of human body systems listed, which two are MOST closely linked in function?
A) digestive - skeletal
 B) excretory - endocrine
 C) reproductive - muscular
 D) respiratory - circulatory

Respuesta :

morgaine816
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.

Hope that helps.
itztms
D.....................

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