Chapter 18 Vocab Flashcards
Communicable diseases
Diseases that can be spread
Disease
Any condition that interferes with the body function
Pathogens
Disease causing organism
Infection
Condition that occurs when pathogens enter the body
Viruses
Smallest pathogens
Bacteria
Tiny one celled organism
Fungi
Organisms more complex than bacteria
Protozoa
One celled organism that are not as complex as bacteria
Vector
Organism that transmits pathogens
Hygiene
Cleanliness
Immune system
Combination of body defenses
Immunity
Body’s ability to resist germs
Inflammation
Body’s response to pain
Lymphatic system
secondary circulatory system that helps the body fight pathogens
Lymphocytes
White blood cells
Antigen
Substance released by invading pathogens
Antibodies
Proteins that attach to antigens
Vaccine
Dead or weakened pathogens
Contagious period
Lengthy of time when germs can spread
Mono
Viral disease shared through saliva
Hepatitis
viral disease of the live
TB
Bacterial disease that affects the lungs
Pneumonia
Serious inflammation of the lungs
Strep throat
Caused by streptococcal bacteria w
STD
Infections that spread from person to person through sexual contact
HIV
Virus that causes AIDS
AIDs
Deadly disease that interferes with the up immune system
Opportunistic infection
Disease that rarely occurs in a healthy person
Carrier
Person who appears healthy bit is infected with HIV and can pass it to others