Answer:
running.
power walking.
swimming.
dancing.
jump rope.
high-intensity sports, such as basketball and soccer.
Explanation:
Bone Marrow contributes to the production of red blood cells (RBC's)
<span>The option which is the least important to consider before choosing a fitness activity is B. the popularity of the activity. It doesn't really matter whether an activity is popular and if a lot of people are doing it, you should do whatever you want to do. So, your personal interest, the cost, and time commitment are things you need to consider before opting for an activity, and you don't have to think about its popularity really.</span>
The brain tells your body what to do and how to do it, how much energy and endurance to do the activity. The brain helps your body move.
