Once a year or possibly for a physical when you are doing a sport or camp. Hope this helps!
Salutations!
Performance goals are used to -------
Performance goals are used to communicate nonverbally.
Hope I helped.
L. Johnson was the president that did the fitness test into the act
Answer Viruses
I believe the answer is viruses because viruses destroy and attack cells. Also they invade bodies. Hope this was helpful :)