What enables bones to perform movement?
Options:
- (A) contraction
- (B) Energy
- (C) sensory neurons
- (D) looseness
- (E) Chemical energy
- (F) Vibrates
- (G) fur and fat
- (H) layers of fat OK. Let's think hard:
Muscles can only contract. Bones work with muscles to perform movement. Contraction enables bones to perform movement.
So, the final answer is (A).