The answer should be relationship.
Answer:
A
Explanation:
because the
Cirulatory system-The skeletal system has many different functions, including supporting the body and giving it shape, protecting internal organs, providing attachment surfaces for skeletal muscles, allowing body movements, producing blood cells, storing minerals, helping to maintain mineral homeostasis, and producing endocrine hormones
So there bones can get stronger
<span> A. adding more weight and increasing the distance over which the weight is moved</span>
Brain Trauma, Concussion, Coma the list continues
