The answer is C for this question....
Well, without muscle and the muscular system, we could not live as the main job of muscles is to help move bones, but muscles also helps the heart and you could basically do nothing :/ Anyways, happy to help!
It's important to seek immediate help if a hand injury results in numbness, severe bleeding, loss of strength or motion, signs of infection, obvious deformity, amputation, severe pain, or exposure of tendons, bones, or other underlying structures.
