Answer:
The skeletal system is a network of many different parts that work together to help you move. The main part of your skeletal system consists of your bones, hard structures that create your body's framework — the skeleton. There are 206 bones in an adult human skeleton.
Explanation:
hope this helps
I think it is B i could be wrong tho
If you will accept two answers, B and C are correct. If not, choose C because this individual is running long distance over and over again they will have an increase in muscular endurance.
