As you bite into a crisp apple, your jaw muscle contracts, allowing you to grind the fruit between your teeth. When you climb a flight of stairs, your gluteus maximus (or "glutes") push your body upward against gravity. Meanwhile, your heart beats steadily in the background, pumping blood continuously.
Each of these muscles, and all the other muscles in the human body, plays an important role. But what is the strongest muscle in the human body?
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