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EXAM
What are the 3 lines of defense?
Innate – what you are born with. Saliva, Skin,
Normal flora
Inflammatory response – first response to any
injury
Adaptive – slow, but has memory and targets a
microorganism. Antigens and antibodies play a
role
,The secretory immune system is seen in certain
secretions in the body. Name what those
secretions are.
What is so important about those secretions?
,The secretory immune system is seen in certain
secretions in the body. Name what those secretions
are.
Tears, Mucus, Saliva, Breast Milk, Sweat
What is so important about those secretions?
The secretions have antibodies in them to protect
us against pathogens trying to cause infection. The
main antibody in secretions is IgA.
, What microscopic changes are seen in the body
during the second line of defense?