plz do not copy anything from the wikipedia.Many Thanks!!!
2007-03-05 01:15:30 · 5 answers · asked by Symons 2 in Science & Mathematics ➔ Biology
it is the system resist foreign microorganisms and prevent it from invasion of the body
2007-03-05 01:23:48 · answer #1 · answered by the vet 4 · 0⤊ 0⤋
Immune System Definition
2016-10-03 05:02:15 · answer #2 · answered by ? 4 · 0⤊ 0⤋
'...the immune system is ... a killing machine. It targets infecting organisms, attacks with a complex arsenal of weapons - some of them savage weapons - and neutralizes the invader.
The balance, however, between kill and overkill, response and overresponse, is a delicate one. The immune system can behave like a SWAT team that kills the hostage along with the hostage taker, or the army that destroys a village to save it.'
2007-03-05 01:34:48 · answer #3 · answered by John M 7 · 1⤊ 0⤋
The system of organs and cells that defend the body against infection and fight disease.
The immune system works to seek and kill invaders.
2007-03-05 01:52:31 · answer #4 · answered by rhea 4 · 1⤊ 0⤋
the human body's system that protects the body from foreign cells, tissues and substances by producing immune response.
2007-03-05 02:03:50 · answer #5 · answered by endgame1915 3 · 1⤊ 0⤋