Why do skeletal muscles have multiple nuclei and what is the significance of this unique feature in their function?

Skeletal muscles have multiple nuclei because they are formed by the fusion of many individual muscle cells. This feature allows for efficient repair and growth of muscle tissue, as each nucleus can control a specific area of the muscle fiber. The significance of this unique feature is that it enables skeletal muscles to adapt and respond to physical demands, such as exercise, by increasing protein synthesis and muscle mass.