- however they can swarm aroundinvaders making it very difficult for themto move

- they can also attach themselves to the badguys and send out chemical messages tophagocytes

- placenta

- breast milk

- SEE DESCRIPTION IN LEUKOCYTES

- response to damage by injury or infection

- mast cells

- move around bloodstream;quickly get to action

- when they eat infected cells,they die and become pus

- BIG and don't travel a lot

- they usually stay put around your vital organs

- they can detect rogue(cancerous) cell and alert otherimmune cells

- Antigen-presentation

- "mailman"

- they stay on the outside of your body

- eat pathogen and record theinformation then bring the info back toyour thymus

- allows things to move from the innateimmune system to the acquired immunesystem

- circulate in blood and kill viruses,bacteria and blood cells

- kill other body cells

- the only phagocytes to destroyand attack other human cells

- humans have MHC 1 when theyare healthy

- when pathogen comes, B cell reprodeces andmakes effector and memory cells (see hankgreen vid for illustration)

- use antibodies as a blueprint to make a crapton of anitbodies for that specific pathogen2/sec

- NOT phagocyes

- release enzymes that kll the cell

- defend against the infected cell

- helps with suicide

- KILLER CELLS

- have previously encounteredand responded to antigen

- cells that keep track of howTHEY killed a pathogen (chickenpox)

- attach to B cells to tell geneticmaterial of pathogen

- release T cell cytokineses

- they kinda call the shots for thewhole immune system

- coordinate the immune system and attack