Vocabulary
A microbe that can cause disease.
Pathogen
Cilia & sweat are a part of this line of defence.
First
(Plasma) B cells
How many methods of disease transmission are there?
4
What is another name for the Second Line of Defence?
Innate Immune Response/Innate Immune System
Any non-living substance that the body does not recognize. Often found on the outside of bacteria or viruses.
Antigen
Antibodies are produced by this line of defence.
Third
They tell B cells to do their job.
Helper T Cells
You love hi-fiving strangers. You hi-five everyone you see on the bus on Wednesday. On Saturday, you start coughing & get a bad headache. What method of disease transmission?
Direct
What is another name for the Third Line of Defence?
Acquired Immune Response/Acquired Immune System
Swelling & redness at the site of an infection.
Inflammation
T cells are a part of this line of defence.
Third
They eat pathogens & are a part of the second line of defence.
Phagocytes
While you were camping, you ran out of water, so you decided to take a drink from a nearby stream. A couple of days later you get a very upset stomach. What method of disease transmission?
Food/Water
This line of defence a is quick & non-specific on an invading pathogen.
Second line of defence
A protein that attaches to antigens and marks them to be destroyed by phagocytes.
Antibody
This line of defence stops pathogens from getting into the body.
First
They can destroy pathogens/antigens without any help.
Killer T Cells
You went camping in the woods & forgot your bug spray. Later that week, you get an itchy arm & develop a fever. What method of disease transmission?
Animal Bites
Why does it take the third line of defence up to a week to respond to an invading pathogen?
It is a specific attack, so it needs time to study the antigens & develop the proper antibodies.
When your body is able to protect itself against a certain antigen.
Immunity
Second
They store copies of antibodies after an infection is over.
Memory B cells
Your friend has the sniffles. You share a bag of popcorn with them. You get sick a couple of days later. What method of disease transmission?
Direct
What are 3 things you can do to support your immune system & help it keep you healthy?
Wash hands, eat healthy, exercise, get enough sleep, take vitamins, stay away from sick people, social distance, take care of mental health, meditate, etc.