How is exercise beneficial to your cardiovascular health a it you prevent lung infections b it improves the flow of oxygen to the cells in your body c it keeps the neurons firing fast back and forth to the brain

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto