When you're running long, you're developing greater aerobic endurance so your body doesn't have to work as hard to attain the same performance level next time. The long runs strengthen your heart and open your capillaries, sending energy to working muscles and flushing waste products from fatigued muscles. So its D
I think its C
Pls tell me if I’m wrong...
-Leah
That is true because the mucus will build up and not drain down the eustachian tube
