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Muscles are also necessary for movement: They're the masses of tough, elastic tissue that pull our bones when we move. Together, our bones, muscles, and joints — along with tendons, ligaments, and cartilage — form our musculoskeletal system and enable us to do everyday physical activities.
It’s A! Easy! The best way to do it is by doing something about it!
Your answer is B. Longitudinal fissure. Hope this helps!