Answer:
Fascicles
Step-by-step explanation:
Fascicles are formed by the connective layer of the perimysium present in the muscle. Fascicles may show different dimensions in the muscles.
Fascicles consists of a bundle of muscle fibers in the muscle. These fascicles regulates the coordination movement of the muscle. Fascicles may increase the muscle fitness.
Thus, the answer is fascicles.