Bones are moved by muscles. these muscles are attached to bones by and they work in pairs. hen one muscles in pair the other and bones are in a particular direction. muscles cell contain many which release energy for movements. fill in the blanks plz.

these are the word that want to come to those blanks

involuntary , relaxes , mitochondria , contracts , antagonistic , pushed , ligaments , pulled , ribosomes , muscles , tendons , voluntary.​