Cilia and flagella are very similar in Cilia and flagella are very similar in structurestructure

Each has a ring of nine pairs of Each has a ring of nine pairs of microtubules surrounding two central microtubules surrounding two central pairs.pairs.

CILIACILIA

It is short ( 5 - 10µm)It is short ( 5 - 10µm) They are found in They are found in

greater numbersgreater numbers They are used to They are used to

move materials aboutmove materials about Eg. :Eg. :Cilia beat to carry Cilia beat to carry

mucus from mucus from respiratory passage respiratory passage to throatto throat

FLAGELLAFLAGELLA

They are upto 1000µm longThey are upto 1000µm long They often occur singlyThey often occur singly They help cells to moveThey help cells to move Eg.:Eg.:Tail of sperm cells allow them Tail of sperm cells allow them

to moveto move