I think that the answer would either be B or C
The respiratory system gives the blood oxygeb
The excessive<span> force causes the muscles to swell and</span>increases<span> the pressure against the bone, leading to pain and inflammation. Shin splints can also result from stress reactions to bone fractures. The </span>constant<span> pounding can cause minute cracks in the bones of the leg. ouch</span>
Answer:
Explanation:
cardio machines, spinning, running, swimming, walking, hiking, aerobics classes, dancing, cross country skiing, and kickboxing.