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contraction of the skeletal muscle
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SLAYT GÖSTERİSİNİ OYNAT
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dendrites
Dendrites
Ach Neurotransmitter Ach Neurotransmitter Ach Neurotransmitter
Neuromuscular Junction
The impulse travels along the axon to the axon terminal
Some new ach for my roof!
Ach Neurotransmitter
Nerve impulse
Ach Neurotransmitter Ach Neurotransmitter Ach Neurotransmitter
Now at the neuromuscular junction (synaptic cleft) (here the nervous and muscular systems meet
The cell body receives a nerve impulse from dendrites
Ach Neurotransmitter
axon highway
Impulse
Cell body
Nervous
Ach, a common neurotransmitter, is released and binds to membrane of the muscle, the protective later
Axon terminal
Muscular
Come on in Ca2+, feel free to bring your friends in too there's plenty of room
When the level of Ca2+ ions is raised, actin and mysosin slide past each other, and the skeletal muscle fibers contract
Mysosin: Don't mind me just coming by
The cell membrane changes (depolarization) to allow Ca2+ ions to enter into the muscle fiber
actin: Excuse me just sliding by
When the level of Ca2+ ions decreases, or heads back outside the fiber, the skeleton muscle fibers relax
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