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
Let’s work this out in a step by step way to be sure we have the right answer.
(A)
Muscles can only contract.

Bones work with muscles to perform movement.

Contraction enables bones to perform movement.

.

The answer is (A)