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Immune System/Disease :question: By:NINE M.2/203 NO.4 (Diseases…
Immune System/Disease
:question:
By:NINE M.2/203 NO.4
Diseases
Infectious
Diseases caused by pathogens that can be transmitted from one person to another.
Noninfectious
Diseases that cannot pass from person to person.
Pathogens
Things such as viruses, bacteria, fungi, etc. that invade another organism’s body and cause disease.
Vector
A disease-carrying organism that does not develop the disease.
Cancer
A disease in which cells reproduce uncontrollably, is caused by a combination of genetic and environment
Immune System
The defense system of the body that protects against pathogens.
Specific Defense
An immune defense that protects against only one specific type of substance
Nonspecific Defense
An immune defense that protects against more than one type of pathogen
Fever
The brain responds to some pathogens by increasing body temperature resulting
Inflammation
A process that causes an injured area to become red and swollen.
Innate Immune System
First- and second-line
defenses
Antigen
The adaptive immune system involves recognizing foreign (nonself) substances on the surface of a pathogen.
Antibody
Travel through the circulatory system and bind to antigens to inactivate the pathogen and help destroy it.
B cells
Form and mature in bone marrow.
T cells
Form in bone marrow, but mature in the thymus gland.
By : Nine M.2/203 No.4