Here's why:

* Centrioles are small, cylindrical structures found in animal cells and some plant cells.

* During cell division, centrioles play a crucial role in forming the spindle fibers, which are essential for separating chromosomes and ensuring that each daughter cell receives a complete set of genetic material.

* The centrioles are located in a region called the centrosome, which serves as the microtubule-organizing center of the cell.

Let me know if you'd like to learn more about how centrioles and spindle fibers function in cell division!