thats what im trying to figure out... :/
immune system
The integumentary system is one of the first lines of defense against infection. It provides a physical and chemical barrier against the entry of pathogens.
lymphatic
the immune system
wwe is the thing in the world No sorry it is actualy the immune system
The immune system
immune
The body's defense system is the immune system.
axons neurons , cells help protect the bodys defense system against infection ..auto-immune defiency ...also oxygen
natural resistance natural defense antibodies body protector ?
It is the first line of defense against pathogens.
Protein buffes system
Your skin,sweat,mucus,and tears is the first line of defense of your immune system. it is the original protector from bacteria and viruses