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IMMUNE SYSTEM

Teacher: Mr. Prussman
Across
When theimmune system will produce antibodies against NONharmful materials such as pollen or dust, this is known as an_____reaction.
______Immunity occurs when our own white blood cells produce antibodies in response to a pathogen.
Some people need to take _______ if they are allergic to something.
Pathogens that are placed in a vaccine are usually dead or ___________.
Down
Usually in a _______the physician will inject us with either dead pathogens .
Signs of ________ are pain, heat, redness, swelling in the affected area.
White blood cells produce _______ in response to invading viruses or bacteria.
Some times immunity is “given to us”, we call that _______ immunity.
In an allergic reaction,our white blood cells not only produce antibodies but they also produce chemicals called ________.
Vaccines actually give us active immunity to a __________.