The sympathetic system is our “flight or flight” defense to help during stressful situations. It prepares the body to either fight the threat or to flee. The parasympathetic system is what brings the bodily functions back to homeostasis after the “fight or flight” had been activated and the threat is over.
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The human muscular system is the machinery that drives athletic performance. Among their functions, the more than 600 skeletal muscles generate skilled movements and produce energy for sport-specific competition. ... These contractions pull on the bones of the skeleton to cause movement.
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