Chapter- 16 control

Tnmunity

long term resistance to disease

Pathogeon

Disease causing agent (bacteria/virus)

Nonspecific Defense

Skin- protective layer (unless cut / opening) Mucous Membrane-live inside of body cavities

Mucus

Thick ,sticky, fluid, water, salt, protect immune cells

Inflammation

local response pathogen blood vessel increase in size capillaries allow more plasma to site of wound.

Macrophages

special white blood cells attacks pathogen + kill them

Detect Angen

machines will attack “forgone” or outside cells with antigens.

Anticent

chemical in cell membrane

Fever

increase in body temperature

Specific Defense

Immune respones

Lymphocytes

special white cells

T cell

Macrophages-detect antigens

B cells

makes antibodies- protein that react