Immune System

1. Structure

1.1. Innate Defenses

1.1.1. General, built into humans

1.1.1.1. Skin

1.1.1.2. Ear wax

1.1.1.3. Mucus

1.1.1.4. Tears

1.1.2. Histamine (protein)

1.1.2.1. Cause inflamation

1.1.2.2. Cause allergic reaction

1.1.3. Fevers

1.2. Adaptive Defenses

1.2.1. Specific, everyone is born with ability for this

1.2.1.1. Foreign body enters and body memorizes how to fight it off

1.2.2. White blood cells

1.2.2.1. Keep the memory; lasting immunity

1.2.2.1.1. B cells

1.2.2.1.2. T cells

2. Functions

2.1. Protects against foreign substance entering the body

3. Malfunctioning

3.1. Autoimmune disease

3.1.1. Lupus

3.1.2. Rheumatoid Arthritis

3.1.3. Multiple Sclerosis (MS)

3.2. Attacking you, not foreign substances

3.3. Allergies

3.3.1. Pollen

3.3.2. Peanuts

3.3.3. Mold

3.3.4. Firing of immune system to something that isn't harmful