Final answer:
Muscles work in pairs in the body to enable movement through coordinated contractions and relaxations.
Explanation:
Muscles in the body work in pairs to facilitate movement. They function in antagonist pairs where one muscle contracts while the other relaxes. For example, the biceps and triceps muscles in the upper arm work in opposition to bend and extend the arm at the elbow joint.
This interaction of muscles in pairs allows for coordinated movement and helps in maintaining posture. When one muscle contracts, it creates movement at the joint, while the opposing muscle relaxes to allow for a smooth range of motion.
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