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Lymphatic/ Immune System (Innate/natural immune defenses and…
Lymphatic/ Immune System
humoral vs. cellular response
Humoral
mediated by antibodies
anitbodies detect antigens
protects against extracellular pathogens
mediated by B cells
Cellular
doesn't form antibodies
receptors detect antigens
protects against intracellular pathogens
mediated by T cells
Major functions of the
Lymphatic & Immune systems
Lymphatic
rid the body of toxins. waste. and other unwanted materials
transport lymph
Immune
protect the body
white blood cells combine to seek out and destroy disease-causing organisms or substances
Innate/natural immune defenses and Adaptive/acquired immune defenses
innate immune system tells the adaptive immune system when it's time to help mount a defense
adaptive is composed of highly specialized, systemic cells and processes that eliminate pathogens or prevent their growth
Innate immunity is something already present in the body
Adaptive immunity is created in response to exposure to a foreign substance
Adaptive immune system is composed of B cells and T cells
adaptive comes in two forms: passive and active immunity
The innate immune system includes: Physical Barriers - such as skin, the gastrointestinal tract, the respiratory tract, the nasopharynx, cilia, eyelashes and other body hair
Anatomy of the lymphatic system
Lymphoid Vessels
Capillaries
Collecting
Ducts
Lymph Nodes
Lymphoid Organs
Tonsils
Appendix
Spleen
Thymus
Lymph Fluids
white blood cells
antigens and antibodies
antibodies
immunoglobulins
help fight against foreign substances called antigens
IgG, IgM, IgA, IgE and IgD
antigens
substance that stimulates the immune system to produce antibodies
Antigen Presenting Cells (APCs
dendritic cells
B cells
macrophages
disorders of the Immune system
Type 1 diabetes
leukemia
Rheumatoid arthritis