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8 Terms

1
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1. neurochemical ___________ ________ _______ from ____________ reticulum into sarcomere

stimulation releases calcuum sarcoplasmic

2
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2. actin filaments reveal _ _______ ____ for ______ _____

a binding site myosin heads

3
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3. myosin heads ____ to actin filaments (creating _____ _______)

bind cross bridges

4
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4. breakdown of ___ releases energy to _________ bridges to ____/____ actin filaments

ATP stimulate push/pull

5
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5. __________/___________ of sarcomere. "_____ ____" each other

shortening/lengthening of sarcomere. "slide over" each other

6
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6. sarcomere shortens/lengthens the _________, shortening/lengthening of ______ ______

sarcomere shortens/lengthens the myofibril, shortening/lengthening of muscle fibres

7
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7. crossbridges ______ and _________ different times to create ________ and maintain tension

attach and reattach movement

8
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process repeats is ______ _______ is present. relaxes if ______ _______ ends

neural impulse