How many cells does the human body have, and how many different types are there?

There are about 200 different types of cells in the body, from adipose cells, which act as stores of oil or fat, to mammary-gland cells, which can secrete milk in female breasts. Although they perform different functions, cells tend to have the same basic structure.

There is around 20 different types of cells.

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.