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anatomy-eastham

QuestionAnswer
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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