You are presented with the question "What contracts as it gets shorter?" and the following answer choices: - layers of fat - Epidermis - Veins and arteries. - Shortstop - Labor - Contracts - the body's largest organ - Bundles of fibers Now knowing that muscle contraction occurs when muscle fibers get shorter and muscles are bundles of fibers that can contract, choose the best answer.
The answer to this question is:
Bundles of fibers