Which correctly lists the sequence of structures that action potentials must move through to excite skeletal muscle contraction?
Sarcolemma, axon of a neuron, T tubules
T tubules, sarcolemma, myofilament
Muscle fiber, axon of neuron, myofibrils
Axon of neuron, sarcolemma, T tubules
Myofibrils, myofilaments, mitochondria
