2 4 and 5 i would say maybe A
Your answer would be B : resting heart rate The reason why this is your answer is because are body need the oxygen to keep your body flowing from not having a storke
C. E.Coli, it is a sickness you get when you eat something under-cooked or prepared incorrectly, and gastrointestinal is in the stomach region, i'm 80% sure this is correct
Age determines the amount you should consume from the plate
