'From Greek for "born", it's any foreign substance or organism that causes the body to produce antibodies'
Antigen
LIFE: From Greek for born, its any foreign substance or organism that causes the body to produce antibodies
From Greek for "born", it's any foreign substance or organism that causes the body to produce antibodies
From Greek for "born", it's any foreign substance or organism that causes the body to produce antibodies
LIFE
Antigen
LIFE