vocab from worksheet Flashcards
allergy
an excessive immune response to an antigen
antibodies
are proteins created by the B
Cells which bind to the specific antigen of
the pathogen
homeostasis
the ability of the body to maintain a stable internal environment despite changes in external conditions
host
organism that provides shelter for the parasite
immune system
bodys defense against infections
immunity
resistance to a pathogen or foreign substance
lymphatic system
a system channels that drain fluid and fight infection
lymph nodes
swellings in lymphatic system
lymphocyte
type of white blood cell that produces antibodies
non specific resistance
defence system that attack a wide range of pathogens
parasite
an organism that benefits at the expense of th host
what is an infectious disease triggered by
trigged by an infection or by a growth of pathogens
microbe
organisms that are too small to be seen without using a microscope
pathogenic bacteria
damages the cells of animals and plants causing disease
what happens if a patient doesn’t take all the antibiotics prescribed
bacteria population is not completey dead and begins to increase
what happens during incubation period
virus mutiples
why can other people catch a virus from you before you know you have it
because the symptoms appear after the peak in the virus
why would a student use an agar plate without the disc
As a control-to see what happens with no treatment
Explain how cilia, mucus, coughing and stomach acids can work together to help defend you against pathogens
cilia capture foregin particles and help remove them from the body
cilia that are covered in mucus are sticky and capture foregin particles
coughing helps move the particle rich mucus up the mouth where its swallowed into the stkmach.
stomach acid then breaks down and destroys the particles
what is a safe body temperature range that helps to kill of pathogens
37.5 to 42.5 degrees
