pathogenss Flashcards
what are pathogens?
microorganisms that can cause disease
how are communicable diseases spread?
from person to person, via a pathogen
once inside of the body, what do bacteria do?
reproduce rapidly
bacteria releases _____ that makes us feel ill by damaging cells and tissues?
bacteria releases toxins that makes us feel ill by damaging cells and tissues
viruses cannot reproduce on their own, they can only reproduce inside a ____ ____?
viruses cannot reproduce on their own, they can only reproduce inside a host cell
first, the virus invades the host cell, what does the virus do after?
the virus reproduces inside of the host cell
when the virus leaves the cell, what happens?
it causes the cell to burst
what are the 3 ways pathogens can be spread?
direct contact, air and water
what are the 4 ways we can reduce spread of a pathogen?
isolation, destroying vectors, being hygienic and vaccination