1. Cilia: These are short, hair-like projections that beat rhythmically to create movement. They are found in many different types of cells, including those lining the respiratory tract and the fallopian tubes.

2. Flagella: These are longer, whip-like projections that propel cells through fluids. They are found in some bacteria and sperm cells.

It's important to note that not all cells move, and those that do may use different mechanisms. Some cells move by crawling using pseudopodia, which are temporary extensions of the cytoplasm.