A)shut down capillaries near a wound.
B)produce histamines.
C)act as antigens to attract lymphocytes.
D)stimulate fever in response to wounding.

A)cystic fibrosis: the immune system attacks the body's lung cells
B)sickle-cell anemia: red blood cells are attacked by the immune system
C)type 1 diabetes: the immune system attacks specific pancreas cells
D)Alzheimer's disease: the immune system attacks brain cells

A)the production of antibodies from T cells.
B)the production of antibodies from B cells
C)vaccinations.
D)the acidic environment in the digestive system.