Cilia.
D000818:Animals; D002923:Cilia / Q000378:metabolism / Q000502:physiology; D005260:Female; D005407:Flagella / Q000378:metabolism / Q000502:physiology; D005836:Genitalia, Female / Q000033:anatomy & histology; D006801:Humans; D007448:Invertebrates; D008124:Locomotion; D008297:Male; D009068:Movement; D009092:Mucous Membrane / Q000033:anatomy & histology; D012137:Respiratory System / Q000033:anatomy & histology; D013094:Spermatozoa; D014867:Water
D014867:Water