+Muscle is a [soft tissue](/wiki/Soft_Tissue) found in most animals. Its cells contain protein filaments that slide past one another, producing a [contraction](/wiki/Contraction) that changes both the length and the shape of the cell. This action generates force and movement, allowing organisms to interact with their environment.
+## See also
+- [Strength](/wiki/Strength)
+- [Exercise](/wiki/Exercise)
+- [Anatomy](/wiki/Anatomy)
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