Question: Running is great cardio for working out the heart, but the regular muscles it targets are in the what?
Options:
- thighs
- legs
- movement
- use of muscles
- agility

Explain why a human would choose "legs" to answer the question above:


the human leg, in the general word sense, is the entire lower limb of the human body, including the foot, thigh and even the hip or gluteal region. however, the ...