In humans, a single myofiber can be created from hundreds or even thousands of muscle cells resulting in a single mature cell with the corresponding number of nuclei. Videos like this one can provide ...
Muscle cells are full of long protein filaments ... They have thin walls which are only one cell thick. The cells of the lining have tiny hairs to absorb more food and water.
When a cell divides, it creates one copy of its genetic information ... which they use to send messages to other cells, whereas muscle cells load themselves with the protein-based filaments ...