Wendy plans to run her first 5k in two months, and she needs to prepare. She has a busy schedule, though, and needs to select the best activity for her heart health. Which activity should Wendy pick? Please Explain.
A. Ten push-ups and five sit-ups
B. Ten minutes of swimming
C. Twenty-five minutes of yoga and 10 push-ups
D. Twenty-five minutes of zumba