TB spreads primarily through:
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Malaria is caused by bacteria.
Malaria is caused by bacteria.
Innate immunity differs from adaptive immunity because it:
Innate immunity differs from adaptive immunity because it:
Type O blood makes no antibodies.
Type O blood makes no antibodies.
Histamine release during inflammation causes:
Histamine release during inflammation causes:
Malaria parasites infect:
Malaria parasites infect:
HIV infects helper T cells.
HIV infects helper T cells.
Anaphylactic shock is caused by massive release of:
Anaphylactic shock is caused by massive release of:
Sickle-cell disease results from:
Sickle-cell disease results from:
Primary lymphatic organs include:
Primary lymphatic organs include: