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1. The position on the muscle cell where the nerve fiber connects is called the __________________.2. The gap between the nerve ending and the muscle cell is the _________.3. The electrical current generated along the muscle cell's membrane is called an___________and is the signal to trigger contraction.4. Most energy at rest and with light exercise is provided by _________, using glucose and other nutrient fuels (such as fatty acids).PLEASE ANSWER IMMEDIATELY BECAUSE ITS DUE TOMORROWWW !
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