Answer: A.
Explanation: Because I did MMA and took health class.
Hope this Helps :).
Some one had the same question as you so here is someone answer.
Primary prevention aims to prevent disease or injury before it ever occurs
Secondary prevention aims to reduce the impact of a disease or injury that has already occurred.
Tertiary prevention aims to soften the impact of an ongoing illness or injury that has lasting effects.
Adults have 206 bones in their body.