Human bodies do not contain gears, in the literal sense anyway. Our body is generally made of a bone structure, nervous system, musculo-skeletal system, circulatory system (blood vessels, veins), skin, organs, and probably a whole lot more. Look up anatomy of a person, that will get you started.
No. Gears are found in man made machines, not bodies.
it has 6 gears
5 gears
How many gears does big Ben have in the great movie detective
there are 5 gears
It has six gears.
6 gears and neutral.
They have 5 gears.
it has 6 gears
Six gears
5 gears
6 gears