the role of white blood cells
Storyboard Text
- a pathogen is: a bacterium, virus, or other microorganism that can cause disease.
- defintion of pathogen:a pathogen is an infectious agent that causes illness or diseases to the host.
- pathogens enter the body though the air or though touching surfaces
- once in the body pathogens can multiply rapidly. for example when a virus gets into your body it goes into the blood stream attacking the blood cells
- definition of pathogen: a microorganism causing disease's to its host
- it attaches itself to the cell though proteins and embeds itself in the cell to hide from the immune system
- it then multiples inside the cell until the cell bursts and thousands of virus cells are released
- they then attach onto the infection and destroy it
- anitgens are then created by the body to fight off the infection
- lymphocytes: they are antigens and antibodies
- antigens
- bacterium
- phagocytes engulf foreign cells like bacterium and dust particles
- definition of phagocytes: an immune cell that engulf's and kills microorganisms or ingest foreign material.
- phagocytes
- definiton of antitoxins: an antibody formed in the body by the introduction to a bacterial poison
- antitoxins fight diseases like the toxins that bacteria leaves in your blood
- a phagocyte is a type of antitoxin
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