What is the function of the innate immune system?
Attack all pathogens that enter the body
Attack pathogens that enter the body through the mouth or nose
Attack pathogens that the body is exposed to before birth
Attack pathogens that the body has been exposed to during previous infection
What blood type could not be given to a person with type A blood in a transfusion?
AB blood
They can receive any of these blood types
A blood
O blood
