I think it is C, since it sounds the most reasonable.
The bones for the fingers and the toes are the phalanx.
Question asked:groups of organs that work together to complete a process in the body are called
My answer is: An <u><em>organ system </em></u>is made from a group of different organs, which all work together to do a particular job
Because this is who we are and it is just the way of life that you are born and developed in the body were in