Not exactly back and forth. To commute something means "change something for another thing" so commutative means that it can be commuted.
An adverb
An adverb of place.
meta- means beyond -stasis means stopping
Elevate
The word anterior means the front. So the anterior part of an animal's body is the front part.
pendulum
I have parts that swing back and forth, back and forth, while part of me stays put could be for a swing
Both. Rock is a type of music. A rock is also a part of the sediment of the earth. The verb to rock means to sway back and forth.
if a part of the body moves back and forth
The head.
Nerve tissue
your spine!!
sfasa
Either cilia or flagellum a single one is flagum and multiple hairs are cilia
It will be stamped right into the action. (The part the bolt slides back and forth in)
Septum
le dos (masc.) means the back (body part) in French.