Immune System Basics
What happens when you get a cut (redness, and swelling)
inflammation
The clear fluid that moves through this system
Lymph
The immunity you are born with
innate immunity
This virus weakens the immune system and can lead to AIDS
HIV
The most common white blood cell that fights infections.
Neutrophil
This first line of defense on the body
The skin
These small structures filter germs from lymph
The lymph nodes
A vaccine gives you this kind of immunity
Active immunity
This disease makes the body attack its own joints
Arthritis
These cells remember germs so you don’t get sick again.
Memory cells
These proteins help fight infections
Antibodies
This organ helps clean the blood
What is the spleen
A baby gets this type of immunity from its mother
Passive immunity
A life-threatening allergic reaction
anaphylaxis
These cells show T cells what germs to fight.
Dendritic cells
This organ produces T cells
The thymus
These thin tubes carry lymph through the body
Lymph vessels
B cells help protect you by making these
Antibodies
This disease, spread by mosquitoes, can cause very swollen body parts
Elephantiasis
These white blood cells kill virus-infected or cancer cells.
T-Cells
These proteins help destroy germs by punching holes in them
The complement system
Swelling caused by fluid buildup in the lymphatic system
lymphedema
When enough people are immune, this protects the whole community
Heard immunity
A rare disease where babies are born without a working immune system
SCID
These cells stop the immune system from attacking healthy cells
Regulatory t-cells