Can person function with missing bone?

It depends on the bone and what you mean by function, if you mean live and be "normal" then probably.

Explanation:

A tooth is a bone, and there are plenty of people missing some. They can definitely function without one. If a person is missing on the bones that makes up the skull they might need to be more careful or get surgery in order to properly protect their brain.

It depends on the bone if it is spinal cord than probably not because it controls the movements and also helps brain in detecting messages

Explanation:

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

i would say it is