B...............................
I believe the answer is D. Unintentional/preventable
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
Can slow reaction rate, increase temper and can make it harder to concentrate.
Cell structure over time is known as a free radical
