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The part of muscle that he needs to train is the Slow-twitch muscle fibers.
<h3>What are Slow-twitch muscle fibres?</h3>
The Slow-twitch muscle fibers are the muscle fibres that are used to support long distance endurance journey such as the marathon race.
Therefore, the part of muscle that he needs to train is the Slow-twitch muscle fibers.
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Answer:
A chemical called endorphins are released in your brain, this causes a stress relief sensation and mood boost
Explanation:
2 Options
1. The person will act more serious knowing the consequences on life but a con of that may be infliction of his pain to their offspring.
2. Inflict the discipline and harm on others