Answer:
symbols that group members use to identify who they are
Explanation:
Loss of consciousness...
all of the others are not emergency situations
I know one is to get tested. Another could be to use protection that could prevent that kind of stuff. Then if you're already infected, you should tell your partner. And if you do sleep with your partner while infected, tell them to get tested.
The two upper parts of the heart are the atriums and the bottom are the ventricles.
