Bio

Mere som dette

The Benign Hamburger SciThi

af Farida Moustafa

Food Additives

af wong calvin

PATHOGENS

af Kashifa Zafar

ID

af ayood helo

killer T cell

interleukin

suppressoe T cells

leukocytes

B cell growth factor

antibodies

Helper T cell

memory t and b cells

antigen

macrophage

vaccine

bacteria

virus

The Body

immune system

lymphokines

nonspecific immunity

natural killer cells

first line of defense against invading organisms

specific immunity

allows for a targeted response against a specific pathogen