Post on 21-Jan-2015
description
Immunity = All the mechanism the body uses to protect the body
from foreign agents
Innate = Protection you are born with
Acquired = Protection develop after birth
Hypersensitivity = Over-reacts
Autoimmunity = Attack normal cells
1. Physical Barriers
Skin
Mucous Membrane
Respiratory systemDigestive system
2. Cells
Macrophages
3. Chemicals
pHCl H
Enzymes
4. Fever
Kill germs with heat before body dies
T Lymphocyte Cells - Kill specific germs
Acquired Immunity - Cells
B Lymphocyte Cells - Make antibodies
Macrophages - Kill cells marked as bad
Acquired Immunity - Organs
Bone Marrow - Produces all blood cells- Matures B
Lymphocytes
Acquired Immunity - Organs
Thymus - Matures T Lymphocytes90-95% of all cells killed