lymphatic and immune system (unit 2 part 4)
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what does the inflammatory response do?
it increases blood flow and more neutrophils are coming to the area
why is there puffiness at an inflammatory response site?
because the body's physical barrier has been broken, so the body tries to make a temporary barrier to replace it
what are mast cells?
a basophil cell that is not in circulation.
what are the 7 factors regarding the mast cell?
- 1. blood flow increases
- 2. phagocytes are activated
- 3. capillary permeability is increased
- 4. complement activated
- 5. clotting reaction
- 6. regional temp is increased
- 7. specific defense is activated
what is histamine considered to be?
what are the 3 factors concerning the fever?
- 1. mobilizes defenses
- 2. accelerates repairs
- 3. inhibits pathogens
what are pyrogens?
molecules released from leukocytes
what kind of feedback does a fever cause?
what do pyrogens release?
an artificial cold stimulus by tricking the hypothalamus
at what temperature does your body maintain its normal temperature?
what 2 categories does the specific resistance break down in to?
what is an example of innate resistance?
when you're immune to other types of blood antigens
what two categories does the acquired resistance break down in to?
what are some factors of active immunity?
- 1. long lasting
- 2. they are after proteins
what 2 phases does the active resistance break down in to?
- 1. naturally acquired
- 2. induced
what is passive resistance?
you only will get the antibodies, they dont last for forever i.e.; HIV
what is naturally acquired resistance?
when you get your antibodies through the placenta
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