Indicate Whether Each of the Following Descriptions Applies to Cilia

Short Answer

Indicate whether each of the following descriptions applies to cilia (C), flagella (F), or both (B). Your answer would be a four-letter string composed of letters C, F, and B only, e.g. CCFB.
( ) They are short and present at high numbers per cell.
( ) They have a whiplike motion that resembles breaststroke in swimming.
( ) They are based on the axoneme structure.
( ) They are found in the epithelial cells of the human respiratory tract.