Here is the immunity Powerpoint:    Immunity

Notes:

Introduction/Slide One:

Immunity weakens with age, making people more vulnerable. It is the ability to destroy pathogens or other foreign materials.

Antogens are chemical markers… they mark things as “of self” or “foreign.” Barbara related it to not recognizing someone and not being comfortable with their presence.

If cells are destroyed, they can die, get healthy, or pass on the damage.

Slide Two:

The military model is global / non-specific immunity. It provides general, wide-spread protection.
The police model is looking for “one bad guy” specifically.

Slide Four: 

An example of species resistance is that humans cannot get feline (cat) leukemia.

Phagocytes defend by chemically destroying and then eating.

Slide Six:

phil = granulocytes (with grains)

cyte = agranulocytes (without grains)

Neutrophils are the largest because they kill bacteria and we are exposed to a lot of bacteria in our lives.

Slide ten:

Know from the picture that the green things are bacteria and the Neutrophil is “like a firetruck on the freeway. It gets to the bacteria quickly.”

Slide Eleven:

Monocyte becomes macrophage. It “cleans up the battlefield.” If it can’t get it all cleaned up, it comes out of our bodies in the form of puss.

Slide Thirteen:

Viruses can adapt and they change quickly.

Bacteria can adapt as well, by becoming resistant.

Are there any good bacteria? Some. Are there any good viruses? No.

Slide Sixteen:

Know that inflammation is NOT infection. Example: a bruise — the body’s reaction to trauma.