WHAT ARE GERMS?
Germs are tiny living things that make you sick.
MOST GERMS ARE MICROSCOPIC
That means that they are so small you must have a
microscope to see them
Some examples of germs are:
Bacteria are very simple, one-celled organisms that
live almost anywhere.
Some bacteria are helpful like the kind that makes
yogurt. Other bacteria are harmful and can make
PICTURES OF BACTERIA AND THE DISEASES
Viruses are even smaller than bacteria, most are
harmful and make you sick.
They must live inside another cell to survive. The
cell that the virus lives in is called a host cell.
Most viruses can not live outside their host cell.
PICTURES OF VIRUSES AND THE DISEASES
Flu Virus Cold Virus
Are multi-celled organisms that look like plants.
They can not make their own food like a plant can.
They like to live in cool, moist and dark places.
PICTURES OF FUNGI AND THE DISEASES
Are single –celled organisms that live in water.
They are very small and sometimes make you sick.
PICTURES OF PROTOZOA AND THE DISEASES
Amoeba-causes an upset
Malaria-carried by a stomach
mosquito and makes
people very sick
Some worms are parasitic which means it is
harmful to it’s host.