any change, other than an injury, that disrupts the normal functions of the body
an organism that causes disease
compound that blocks the growth and reproduction of bacteria
organisn that carries pathogens from person to person
nonspecific defense reaction to tissue damage caused by injury or infection
foreign molecule that triggers an immune response
specific immunity produced by B cells that produce antibodies that circulate in body fluids
type of immunity produced by T cells that attack infected cells
protein that helps destroy pathogens
injection of a weakened or mild form of a pathogen to produce immunity
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.