8.2nd and 3rd Line Defenses:The immune system Flashcards
(3 cards)
1
Q
Define the immune system
A
The immune system is a set of organs, tissues and cells which protect the body from disease causing pathogens
2
Q
What are the two type of immune cells
A
Phagocyte cells//belong to non specific immune system, they destroy the pathogen
Lymphocyte cells//belong to specific immune system, they recognize the pathogen
3
Q
Give 2 examples of 2 lymphatic organs
A
Red bone marrow// spongy tissue found in bones where all blood cells are produced
Tonsils//lymphoid tissue that protect entry of foreign substances to the respiratory tube
