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| Layers of dense connective tissue surround and separate each muscle. Combine loosely with oxygen. |
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| Broad sheets of connective tissue that connects muscle to muscle. |
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| Fascia, surround each muscle -> pimysium, connective tissue around whole muscle -> perimysium, surrounds individual bundles (facicles) -> endomysium, coveres muscle cell fibers. |
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| Protein that makes up thick filaments of myofibrils. |
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| Protein that makes up thin filaments of myobibrils. |
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| Where a motror neuron and muscle fiber meet. |
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| MOtor neuron + the muscle fibers controlling it. Can contract all at once when stimulated to do so. |
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| Enzyme that catalyzes the breakdown of ATP to ADP. |
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| Myosin crossbridge attaches to the binding site on the actin filament and bends, pulling on the actin filament. Then it releases and ataches to the next binding site on the actin, pulling again. |
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| Pigment responsible for the red color of blood. |
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| Synthesized in muscle cells and imparts the reddish-brown color of skeletal muscle tissue.Combine loosely with oxygen. |
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| Motor neuron releases this from its synaptic vesicles into the synaptic cleft to initiate muscle contraction. |
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| Store excess energy released by the mitochondria, regenerates ATP from ADP and phosphate. |
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| The amount of oxygen that liver cells require to convert the accumulated lactic acid into make up the cheekbones and join with the temporal bones to form the zygomatic arches |
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| Muscle fatigue usually arises from the accumulation of this in the muscle. |
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| Causes individual twithces to combine when a muscle fiber is unable to relax completely due to a series of stimuli of increasing frequency. |
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| An increase in the number of activated motor units within a muscle at higher intensities of stimulation. |
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| Has transverse tubules that supply extra calcium allowing it to contract for longer. |
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| Does the majority of the work in interaction of skeletal muscles. |
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