Lewis is running in a race. His muscles need oxygen. Which best describes how multiple systems interact to bring him into homeostasis?
A
The circulatory system brings oxygen to the respiratory system, which delivers oxygen to the muscular system.B
The respiratory system brings oxygen to the circulatory system, which delivers oxygen to the muscular system.C
The respiratory system brings oxygen to the circulatory system, which delivers oxygen to the skeletal system.D
The circulatory system brings oxygen to the respiratory system, which delivers oxygen to the skeletal system.