First Line of Defense
In the nose, these are part of your immune system's first line of defense against pathogens.
Nose hairs.
Another name for WBCs
Leukocytes
What the second line of your immune system's defense is called.
Inflammatory response
Cancer
Noninfectious disease
The two main players in the third line of defense.
Antigens and antibodies
In the stomach, this is part of your immune system's first line of defense against pathogens.
Stomach acid.
Two types of WBCs created by your immune system.
T-cells and B-cells
2 symptoms of an Inflammatory response
pain, swelling, redness, rash, itching
One way an infectious disease can be transmitted from one person to another.
Shaking hands, exchange of bodily fluids (sneeze), exchanging blood
Where an antigen is located.
On the pathogen
Released by the skin, this is part of your immune system's first line of defense against pathogens.
Oils
Antibodies attach to the _____________ to make a pathogen useless.
Antigen
These types of cells come to destroy the bacteria and dead cells.
White blood cells or leukocytes
Coronavirus
Infectious
Antibodies
Produced by your body, this coats your sinuses and your nasal cavity to trap pathogens.
Mucus
Two types of T cells - one helps B cells make antibodies, one kills pathogens.
Helper T cells
Killer T cells
These get bigger to allow more blood to flow to an area with damaged cells.
Capillaries
Infectious diseases are caused by _____________. (list three)
Bacteria, Viruses, Fungi
The immune system's third line of defense is ___________, meaning it builds antibodies that fight only against certain antigens.
Specific
Wash hands, get enough sleep, eat healthy foods
These cells help your immune system by remembering which antibodies can fight an antigen.
Memory cells.
The second line of defense is _____________, meaning it can happen against any pathogen in any part of the body.
non-specific
HIV
Infectious
Function of B cells
To remember antigens and how to fight them