| A | B |
|---|
| Lymphatic System function | produce & store &and carry white blood cells that fight infections and other diseases. |
| Lymphatic System | Lymphatic vessels & Bone marrow & Spleen & Thymus & Lymph nodes & Tonsils & Adenoids |
| Lymphatic Vessels | Blind ended vessels with valves that carry lymph |
| Lymph | Interstitial fluid forced out of capillaries |
| Spleen | Filters & removes abnormal blood cells |
| Thymus | Produces hormones for T-cell maturation |
| Lymph nodes | Small organs located along lymphatic vessels that filter lymph |
| Tonsils & Adenoids | Masses of lymphatic tissue which have a surrounding fibrous capsule & Filters out microorganisms that enter via throat |
| Non-specific defense mechanisms | Deny entrance or limit the spread of microorganisms or other environmental hazards |
| Non-specific Defense includes | Physical barriers & Phagocytic cells & Immunological surveillance & Interferon & Complement & Inflammation & Fever |
| Specific Defense | Provides protection from threats on individual basis |
| Passive Acquired Immunity | Receipt of antibodies produced by someone else |
| Active Acquired Immunity | vaccination |
| Cell-mediated immunity | involves t cells |
| Ab-mediated immunity | involves b cells |
| T cells | begin in bone marrow and mature in thymus |
| B cells | begin and mature in bone marrow |
