What is the musculoskeletal system in protozoa?

The simplest have two supporting motor systems: active and passive.
Active is due to the pseudopod, cilia, pseudopodia and flagella. And the passive is thanks to the water.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.