pathogens Flashcards
give a symptom of cholera
severe diarrheoa
what does the bacterium from tuberculosis(TB) do to the body?
infects and damges the lungs
give some symptoms of (TB)
blood-specked mucus after coughing
fever
weight loss
what sort of disease are cholera and TB?
communicable
who are the host for cholera and TB?
humans
what are plants often infected by?
fungi
give an example of a plant communicable disease
chalara dieback
how is malari caused?
a protist called Plasmodium
what effects does malaria have on the body and what are the symptoms?
multiplies in red blood cells and liver cells
fever, weakness and sickness
why are viruses not true organisms?
they don’t have a cellular structure
how do viruses multiply?
by infecting a cell and taking over the cell’s DNA-copying processes
what does the ebola virus do to the body and what does this cause?
breaks down blood vessels, liver and kidney cells
leads to internal bleeding and fever - haemorrhagic fever
what does HIV stand for?
human immunodeficiency virus
what does HIV do?
attacks and destroys white blood cells in the immune system
what do people with HIV often develop and why?
AIDS
immune system can’t protect them from secondary infections
