Answer:
Your musculoskeletal system includes bones, muscles, tendons, ligaments and soft tissues.
Explanation:
I'd say c but I'm not positive
Answer: I believe that it is not safe because if you were to say crush it up and snort it and you thought that is wasn't working so you did another and then maybe another then you might be taking more then what you where supposed to take in one setting.
Hope it makes since.
