This is a composite of several videos from the YouTube, created for a final project in Digital Storytelling class.

This is a composite of several videos from the YouTube, created for a final project in Digital Storytelling class.

This is page of muscle notes. It puts the process in a diagram form that makes it more applicable for learning the steps.

This is page of muscle notes. It puts the process in a diagram form that makes it more applicable for learning the steps.

47.6 The Release of Ca2+ from the Sarcoplasmic Reticulum Triggers Muscle Contraction When Ca2+ binds to troponin, it exposes actin-myosin binding sites. As long as binding sites and ATP are available, the cycle of actin and myosin interactions continues, and the filaments slide past each other.

47.6 The Release of Ca2+ from the Sarcoplasmic Reticulum Triggers Muscle Contraction When Ca2+ binds to troponin, it exposes actin-myosin binding sites. As long as binding sites and ATP are available, the cycle of actin and myosin interactions continues, and the filaments slide past each other.

Excitation step of muscle contraction: the nerve signal arrives at NMJ opens up Ca+ channels in pre-synaptic knob. This signals intracellular process that moves synaptic vesicles toward the membrane. Those vesicles fuse then release ACh via exocytosis into the synaptic cleft. ACh then binds to the ACh receptors (ligand-gated on the post-synaptic membrane....

Excitation step of muscle contraction: the nerve signal arrives at NMJ opens up Ca+ channels in pre-synaptic knob. This signals intracellular process that moves synaptic vesicles toward the membrane. Those vesicles fuse then release ACh via exocytosis into the synaptic cleft. ACh then binds to the ACh receptors (ligand-gated on the post-synaptic membrane....

This video discusses the concept of the neuromuscular junction. This is the beginning of muscular contraction (the excitation steps) where ACh (acetylcholine) is the neurotransmitter of muscle contraction.

This video discusses the concept of the neuromuscular junction. This is the beginning of muscular contraction (the excitation steps) where ACh (acetylcholine) is the neurotransmitter of muscle contraction.

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