Answer:
A. cycling
Explanation:
As not only do you have to keep pedalling with the same joints but, there could be hills and you also have to use your arms
The "managed care revolution of the 1990s" achieved an important, if temporary, success. It stabilized health insurance
59. How does our hearts never gets tire of pumping blood throughout our body?
Because that’s how amazing God created our body. As long as we are breathing, our heart will continue pumping. It will never get tired because it is its responsibility to pumps blood throughout our body. Our heart is also like other organs in our body, All of our organs will continue doing their responsibilities as long as we are alive. Thus the only way we can help them is to stay healthy.
