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Across 1. muscle tissue in which the contractile fibrils are not highly ordered, occurring in the gut and other internal organs and not under voluntary control. 7. a short band of tough, flexible, fibrous connective tissue that connects two bones or cartilages or holds together a joint. 8. a flexible but inelastic cord of strong fibrous collagen tissue attaching a muscle to a bone. 11. muscle tissue in which the contractile fibrils in the cells are aligned in parallel bundles, so that their different regions form stripes visible in a microscope. 14. the muscular tissue of the heart. 15. A condition in which the tissue connecting muscle to bone becomes inflamed. 16. involuntary muscle - a muscle that contracts without conscious control and found in walls of internal organs such as stomach and intestine and bladder and blood vessels (excluding the heart) smooth muscle.

Down 2. A stretching or tearing of a muscle or a tissue connecting muscle to bone (tendon). 3. . Myosin is the prototype of a molecular motor—a protein that converts chemical energy in the form of ATP to mechanical energy, 4. a muscle that is connected to the skeleton to form part of the mechanical system that moves the limbs and other parts of the body. 5. a muscle whose contraction bends a limb or other part of the body. 6. Actin filaments, usually in association with myosin, are responsible for many types of cell movements 9. Muscle fibers are the cells or basic building block of the muscle. 10. Fatigue, also referred to as tiredness, exhaustion, lethargy, and listlessness, describes a physical and/or mental state of being tired and weak 12. Skeletal muscle is one of three major muscle types, the others being cardiac muscle and smooth muscle. 13. a muscle whose contraction extends or straightens a limb or other part of the body.