anatomy flash cards
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| ability for the muscle to shorten with force | contractility
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| capacity of skeletal muscle to respond to stimuli | excitability
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| ability to be stretched | extensibility
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| ability to snap back into place after being stetched | elasticity
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| near the center of the cell | synapse
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| single motor neuron | motor unit
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| muscles regulate what ? | body temperature
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| each skeletal muscle is surrounded by connective tissue called ? | epimysium
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| what is another connective tissue surrounding the epimysium? | Fascia
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| what is numerous bundles? | muscle fasiculi
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| fascicles are surrounded by what loose connective tissue ? | perimysium
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| another name for muscles | fibers
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| each fiber is surrounded by a muscle tissue sheath called a ? | endomysium
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| a threadlike structure that extends from one fiber to another | myofibrils
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| 2 kinds of protein fibers | actin, myosin
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| thin myofilaments | actin myofiliments
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| thick myofiliments | myosin
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| highly ordered unis are ? | sarcomeres
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| what disk does the sarcomere extend from ? | z line (disk)
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| What has actin in it ? | I band
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| what has myosin in it? | A band
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| light area inside the center of a sarcomere | H zone
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| charge difference across the membrane | resting membrane potential
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| brief reversal back charge | action potential
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| nerve cells that carry on potentials | motor neurons
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| each branch connected form a | neromuscular junction (synapse)
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| enlarged nerve terminal | presynaptic terminal
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| the space in between a presynaptic terminal | synaptic cleft
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| each presynaptic terminal contains | synaptic vesicles
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| nuerotransmitter | acetylcholine
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Created by:
arondotson
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