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What is the largest lymph organ in the body?
spleen
What system is the body's defense system against disease?
immune system
What type of immunity protects the mechanisms the provide immediate, generic protection against any bacteria, toxin or other injurious particle
nonspecific immunity
What are the external borders of nonspecic immunity?
skin and mucous membranes
What rinses harmful substances from the eyes?
tears
What traps foreign material entering the body through the respiratory tract?
mucus
What is the protective mechanism that provide specific protection against certain types of bacteria or toxins called?
specific immunity
Specific immunity is AKA what?
adaptive immunity
Specific immunity involves _________ and the ability to ______ and ______ to certain harmful substances
memory, recognize and respond
Specific immunity possesses the ability to _______ to newly encountered enemies
adapt
When are symptoms of an illness most likely to occur?
when the virus or bacteria first enters the body
What happens if a body is introduced a second time by the same virus or bacteria?
no serious symptoms occur
How is specific immunity categorized?
how the body is exposed to the agent
What are the categories of specific immunity?
Natural (accidental), artificial (deliberate)
What word is associated with one's own immune system?
active
What word is associated with others immune systems?
passive
