Hihi!
According to CDC "healthcare workers should wash hands with soap and water when hands are visibly dirty, contaminated or soiled and use an alcohol-based hand rub when hands are not visibly soiled to reduce bacterial counts."!
I hope I helped!
-Loliarual
Breaking the body into systems is in most cases a lot easier for the students to understand instead of just doing it all at once
Well no-one really know's but my perception of life is all a big lesson for what will be in the afterlife.
Playing fair
following the rules of the game
treating opponents with respect
respecting the judgement of referees and officials