What enables bones to perform movement?\nOptions:\n- (A) contraction\n- (B) Energy\n- (C) sensory neurons\n- (D) looseness\n- (E) Chemical energy\n- (F) Vibrates\n- (G) fur and fat\n- (H) layers of fat
Hmmm, let me think. I don't want to be wrong, so I got to be careful.
User
Muscles can only contract. Bones work with muscles to perform movement. Contraction enables bones to perform movement. The answer: (A).
Assistant