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Across 1. Also called involuntary muscles. 3. Responsible for the heart's pumping action. 4. The largest tendon in the body. 9. A neurotransmitter that plays an important role in brain and muscle function. 11. It is where the Stapedius muscle is located. 12. Small fluid filled sacs that cushion the bones, tendons, and muscles near the joints. 13. Biggest muscle in the body. (2 Words) 14. It is the longest muscle in the body. 15. Fibrous cords of connective tissue that link skeletal muscles to bones.

Down 2. Also called carpal tunnel syndrome. (3 Words) 5. It is responsible for circulating blood throughout the body. 6. Packed groups of hugely elongated cells known as myofibers. 7. Intra- muscular site most typically used for vaccines. 8. Skeletal muscles is classified by its function.. 10. Support and position axial skeleton.