The immune system is the defense mechanism of the body which protects us against bacteria, viruses, parasites and other foreign invaders that may lead to diseases. It has three (3) lines of defense - the first, second and third lines of defense.
What role does the immune system play in preventing disease? Give specific examples for the first, second and third lines of defense
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Adaptive Immunity concept. You can view video lessons to learn Adaptive Immunity. Or if you need more Adaptive Immunity practice, you can also practice Adaptive Immunity practice problems.