TO SURVIVE
EMOTION
ANTIBIOTICS
DISEASE
VIRUS
BACTERIA
VACCINATION
CELL
POSITIVE
IMMUNE SYSTEM
ILLNESS
Smaller than bacteria. They cannot exist without a host.
A complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases
Continue to live
Confident and happy
Treatment with a vaccine to produce immunity against a disease
Feeling
A disorder of structure or function in a human, animal, or plant, especially one that produces specific signs or symptoms or that affects a specific location and is not simply a direct result of physical injury.
The smallest structural and functional tnit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane.
Organisms with just one cell. They can survive outside the body.
A medicine (such as penicillin or its derivatives) that inhibits the growth of or destroys microorganisms.
State of being sick