Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.

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5
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8		9
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12		13
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16
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 Check 

Across: 1. Consists of alternating I bands and A bands 3. Light area of myofibril, with Z line in middle. 5. Mucle shortens in response to tension 7. Neurotransmitter at myoneural junction 8. Most moveable muscle attachment 11. Muscle fiber arrangement with broad origin and narrow insertion. 13. Least moveable muscle attachment 14. Straight line arrangment of muscle fibers aligned with axis of force 16. Found on surface of muscle fiber 17. Strap-like dense connective tissue attaching muscle to bone

Down: 2. No shortening of muscle in response to tension 4. Thinner myofilament of sarcomere. 6. Found in the middle of I band of sarcomere 9. Contractile unit of myofibril 10. Short angled, feather-like fiber arrangements in muscle 12. Thick myofilament found in A band of sarcomere. 15. Darker striation in sarcomere.