Can help control your weight, and helps improve circulation.
White blood cells surround and digest bacteria. White blood cells produce antibodies that destroy pathogens. The middle one, I don't know yet, and the ones at the bottom, I'm still figuring out.
whats it reasponsible for?
Some useful cold weather safety devices are layers, adequate hydration, insulating shoes, adequate provisions(food). All will help you avoid hypothermia.
