Warning scientific content: The reason why your stomach...

 
Warning scientific content: The reason why your stomach feels cold is that when you exercise hard enough. The body will shunt blood away from areas in your body that aren’t needed for physical activity like the splanchnic region (Digestive tract, Liver, Pancreas, and Spleen) and moved to your muscles which need more blood flow. So if you are working hard enough your body will need to change the amount of blood flow in your body which causes your stomach to get cold. NOW YOU KNOW!