1st Line of Defense
List 3 parts of the body of the 1st line of defense
skin, nose hairs/boogers, ear wax/hairs, mucus, tonsils & adenoids, cilia, stomach acid, tears/saliva
What kind of cells are involved in the 2nd line of defense?
White blood cells, specifically macrophages
What are the little spikes or bumps on germs called?
antigens
What was Dexter's name yesterday?
I don't know
Does the first line of defense protect you before or after infection?
Before
List 3 of the 4 symptoms you might experience when you get a cut
pain, swelling, redness, warmth
What are the little Y-shaped proteins in your blood called? (They lock on and surround the germ)
antibodies
What was Austin's name yesterday?
Dexter
What are cilia?
Tiny hairs in the throat and lungs whose job is to catch and sweep germs
Why do you get a fever?
You get a fever when white blood cells detect infection and send chemical signals to the brain to increase your body temperature. The increased temperature helps kill or slow bacteria.
Before the chicken pox vaccine, chicken pox was common in children, but they would only get it once. Why don't you get sick with the same thing twice?
The 1st time you get sick, your immune system makes specially shaped antibodies to match the antigen shape of the germs. Then, the antigens stay in your blood and "remember" the germ. Next time a single germ of that type infects you it is killed immediately and cannot make you sick.
List the 6 exercises we do in our fitness circuit.
Jumping jacks, plank, push ups, squats, burpees, superman
How can cilia be damaged, and what is the consequence of damaged cilia?
Can be damaged by smoking and vaping. If cilia are damaged then germs can infect the body more easily and the person might be sick more often. Also, can cause "smoker's cough" because without cilia, coughing is the only way to get rid of germs in the throat and lungs.
What is pus in a wound or pimple?
Pus is a collection of white blood cells and germs that have died in battle
What happens if a person's 3rd line of defense cannot stop the germs from spreading?
How is plants vs zombies similar to the immune system?
In PvZ, there are 3 lines of defense to protect the people: walnuts, pea shooters, and lawnmowers. In the immune system, there are also 3 lines of defense: physical barriers, inflammatory response, and antibody immunity.