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| 6307815829 | three characteristics common to all muscle tissue. | irritability, contractility, extensibility, elasticity | 0 | |
| 6307832672 | The structural and functional unit of a skeletal muscle fiber is | sacromeres | 1 | |
| 6307862608 | Neuromuscular junction | synapse between a motor neuron and skeletal muscle | 2 | |
| 6307875867 | motor neuron | nerve cells forming part of a pathway passing impulses from brain to muscle | 3 | |
| 6307893193 | axon terminal | contain neuron transmitters | 4 | |
| 6307899320 | Neurotransmitter | chemical that is released when a nerve impulse happens | 5 | |
| 6307912528 | snaptic cleft | microscopic gap between neurons | 6 | |
| 6307922331 | motor unit, | made up of motor neuron and muscle fibers | 7 | |
| 6307950644 | depolarization | difference inchange inside and outside the plasma membrane | 8 | |
| 6307994612 | repolarization | change in membrane that returns it to negative value | 9 |