Muscular endurance depends on

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Muscular endurance refers to the ability of a muscle or group of muscles to perform repeated contractions against a submaximal load for an extended period. This requires the local skeletal muscles and nerves that control them to be efficient in generating and sustaining muscle contractions over time. While the efficiency of the heart and circulatory system (choice A) play a role in overall physical fitness, they are not the primary factors affecting muscular endurance. The effectiveness of the heart and skeletal muscles working together (choice C) may play a role in overall physical performance, but are not specific to muscular endurance. The effectiveness of the central nervous system to send fast signals to the muscles (choice D) is important for generating quick, powerful movements, but not necessarily for sustained submaximal contractions.

Muscular Endurance Depends on