8
Cilia are minute hairlike organelles, identical in structure to flagella, that line the surfaces of certain cells and beat in rhythmic waves, providing locomotion to ciliate protozoans and moving liquids along internal epithelial tissue in animals.
Added 11/27/2017 11:28:12 PM
This answer has been confirmed as correct and helpful.
Confirmed by
selymi [11/28/2017 7:27:01 AM]