Show:
Good bac.
Bad bac.
True or false
100
What do white blood cells do to help?
Kill bad bac.
100
What are bad bac. called?
Pathogen
100
Do bac. hitch hike?
TRUE
200
How many cells do bac. have?
1 cell.
200
what bac. killed 1/3 of Europe
black death
200
Can bac. fly
FALSE
300
What does the bac. sound when spliting
creeeeeeeek SCREAM!!!!
300
what did Mr.Scribner call the Electric chair
the electric blender
300
are bac. every were
TRUE