AP EAMCET Medical 2018 Shift 1 Paper

Study the following statements
I) Microglial cells keep the cerebrospinal fluid in the ventricles of brain in constant circulation
II) Arrector pili muscles are unstriated muscles
III) Basophils remove antigen-antibody complexes from the blood
IV) Perichondrium is absent in fibrous cartilage
Among the above, the incorrect statements are