The nose - knows
What is deodorant
This act is performed to practice safe evacuation from a building in case of a fire
What is a fire drill
I haven't changed these in 3 days so now my feet smell
What is my socks
I keep my fingers away from this to keep me from spreading germs
What are my eyes, nose and mouth
The act of bad smelling air being released from your body that should be done in private whenever possible
What is passing gas
This hygiene habit is credited for saving 8 million lives per year
What is handwashing