Which statement about the immune system is false
a- t cells kill body cells as they destroy viruses
b- some pathogens attack immune system cells
c- lymph removes cell wastes and bacteria
d- most white blood cells destroy viruses

d. sodium chloride ions.

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.