The scientists could easily see the bacteria through the microscope / cell
microscope
People often get immune / influenza in the winter
influenza
It's possible for a person with influenza to paralyze / infect others
infect
People often catch common cold / mucus many times in their lives.
common cold
New medicines can help people fight diseases / cells
diseases
Some viruses / bacteria are necessary for life on Earth
bacteria
A person can't walk if an accident paralyzes his or her legs
True
Too much mucus can make breathing through your nose difficult
True
Plant's don't have cells
False
Bacteria are always good for us
False
People with a common cold sometimes sneeze
True
Disease can make humans, animals, and plants sick
True
