jourdynd16 jourdynd16 06-11-2020 Health contestada After running, Ollie’s blood pressure was high. His nervous system sensed this and sent a message to decrease heart rate and blood flow. Which system worked together with the nervous system? A)skeletal system B)circulatory system C)respiratory system D)digestive system this is on edge 2020 i will give brainliest for correct answer!!!