Section 1
The ________ __________ fights disease by producing a separate set of weapons for each kind of pathogen it encounters.
Immune System
__________ is your body’s ability to destroy pathogens that it has previously encountered before the pathogens are able to cause disease.
Immunity
An _________ is a drug that inhibits or kills bacteria.
Antibiotic
Microorganisms and viruses that cause disease are called ________?
Pathogens
Your body’s first line of defense against infectious disease includes both ________ and ________ defenses that prevent pathogens from entering your body.
Physical, Chemical
An ________ is an unusually high occurrence of a disease in a certain place during a certain time period.
Name three ways pathogens can spread.
Infected person, Infected animal, Contaminated object, Contaminated food, Contaminated soil, Contaminated water
Name the two types of immunity.
Active and Passive
The increased frequency of ________ _______ and a global ______ _________ can enable emerging diseases to spread very quickly.
International travel, Food supply
Name the four main pathogens.
Bacteria, Viruses, Fungi, Protozoans
Name the three types of T Cells.
Killer T, Helper T, Suppressor T
Name three ways that diseases can emerge.
Contact with infected animal, pathogens become resistant to existing drugs, people lack appropriate immunizations