How could stem cells prove in the treatment of cardiovascular diseases?
a) stem cells can differentiate to form heart muscle cells.
b) stem cells form white blood cells, which boosts the body’s immunity.
c) stem cells divide to form red blood cells, which reduce hypertension.
d) stem cells perform apoptosis to remove old cells from the heart muscles

Stem cells can differentiate to form specialized cell types with specific functions. So they can be differentiated to form heart muscle cells, which can be used to replace the damaged tissues of the heart. A

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.