Which of the following statements proves that Digestive, Respiratory and Circulatory system work together?

A. Digestive system provides nutrients, respiratory inhaled oxygen and circulatory system delivers the food nutrients and oxygen to our body cells.

B. Digestive system digests the food that we eat, respiratory system removes waste from the body cells and circulatory system delivers food nutrients to our body cells.

C. Digestive system collects all the waste materials from body cells, respiratory provides carbon dioxide and circulatory delivers all needed materials of our body.

D. Digestive provides oxygen and food nutrients by our body, respiratory maintains our breath and circulatory circulates to collect all body waste to remove from the body. ​