sliding filament theory

H zone disappears I band gets smaller A band doesn't change

Neuromuscular junction

axon of motor neuron branches [axonal terminal] and attaches to muscle cell neuron and all stimulated muscle cells [motor unit] neuron and all muscle fibers are separated by a fluid filled gap [synaptic cleft]

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Muscles-microscopic

Muscles1

Question	Answer
sliding filament theory	H zone disappears I band gets smaller A band doesn't change
Sarcomeres	contractile unit
Z disc	middle of I band
I band	Light part Actin
A band	Dark part Actin/myosin
H zone	Light part Myosin
M line	Connects myosin in H zone
Neuromuscular junction	axon of motor neuron branches [axonal terminal] and attaches to muscle cell neuron and all stimulated muscle cells [motor unit] neuron and all muscle fibers are separated by a fluid filled gap [synaptic cleft]