Unit 11, Discover 4; Get Ready

an illness of the body in humans, animals or plants

a piece of equipment with special glass in it that makes very small things look much bigger

a sticky substance that is produced in some parts of the body, especially the nose

the smallest part of any living thing

a living thing that is too small to see but can make you sick

very small things that live in air, water, earth, plants, and animals. Some of them can make us sick.

an illness like a very bad cold that makes your body sore and hot

to make a person unable to move all or part of their body

to give a disease to someone

Many students catch the ________ every year.

• influenza

• common cold

• mucus