my flashcards789 Word Scramble
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Question | Answer |
the ability of skeletal muscle to shorten with force | contractility |
the ability to be stretched. | excitability |
ability to recoil to original resting length after they have been stretched. | elasticity |
thin myofilaments. they resemble 2 minute stands twisted together. | actin myofilaments |
thick myofilaments. they resemble bundles of minute golf clubs. | myosin myofilaments |
actin and myosin myofilaments form highly ordered units called? | sarcomeres |
the charge difference across the membrane is called? | resting membrane potential |
when muscle cell is stimulated the membrane characteristics change briefly. | action potential. |
nerve cells that carry action potentials to skeletal muscle fibers. | motor neurons |
axons enter the muscle and branch. each branch that connects to the muscle forms a .... or .... | neuromusclular junction, synapse |
a single motor neuron and all the skeletal muscle fibers called...? | motor unit. |
the muscle fiber is the | presynaptic terminal |
between the presynaptic terminal and the muscle cell is the...? | synaptic cleft |
each presynaptic terminal contains...? | synaptic vesicles |
neurotransmitter called...? | acetylcholine. |
a contraction of an entire muscle in response to a...? | muscle twich |
Created by:
soldier075
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