Answer:
1 = veins
2 = cardiovascular system
3 = fibrin
4 = target heart rate
5 = maximal heart rate
Answer:
According to research jump rope for a minimum of five minutes a day can improve physical fitness and when you build to ten minutes of nonstop jumping at 120 RPMs it can provide the same benefits as all of the following except:
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