Bacteria and Viruses

Front

Which type of cell fights off harmful bacteria? Options: white blood cell, red blood cell, skin cell, nerve cell

Back

white blood cell

Front

Which system in our bodies fights infections? Options: the digestive system, the immune system, the cardiovascular system, all of the above

Back

the immune system

Front

By itself, a virus is

Back

lifeless

Front

The viruses that cause colds usually attack the cells in the

Back

nose and throat

Front

You are more likely to catch a cold if you: stand in an elevator with a sneezing stranger.

Back

stand in an elevator with a sneezing stranger

Front

Where do bacteria live? Options: only in water, only inside living organisms, only in the soil, almost everywhere

Back

almost everywhere

Front

What would you need to see a virus? Options: Just your own eyes, a telescope, a very strong microscope, 3-D glasses

Back

a very strong microscope

Front

A BACTERIA IS SMALLER THAN A VIRUS

Back

FALSE