super gross There are tons of super gross things in the world These things can make you feel disgust But did you know this feeling can keep you safe It stops you from touching or eating things that might be harmful Disgusting things can still be fun to think about That’s why many people are fascinated by gross things And germs can be especially gross 4
Gross germs Germs are tiny living organisms They cannot be seen without a microscope Did you know your toothbrush holds millions of germs Their small size and great quantity are part of why germs are so gross Some germs cause illness if they enter your body But you won’t know if these germs are inside your body until you get sick 5
All About Germs Bacteria viruses and molds are all types of germs These organisms behave in different ways They also affect humans in various ways BACTERIA Bacteria are living things that have just one cell Many bacteria live off of nutrients found in human bodies Some bacteria cause human illnesses such as strep throat Other bacteria are good for you They help your body break down food 6
VIRUSES Viruses rely on other living things to survive They reproduce in the cells of people animals and even plants If a virus enters your body it can reproduce quickly This causes illnesses such as the flu MOLDS Molds are types of fungi which are plantlike organisms They often grow on spoiled food Molds can also grow in damp areas They can be harmful to humans if eaten or breathed in 7
