Describe the flow of blood in the human body, including through each of the four chambers of the heart. explain how the blood changes as it moves through various locations in the body.

The term “iron curtain” was based on an actual iron curtain that german theaters used to separate the stage from the audience in case of a fire. who or what did the “iron curtain” of the cold war separate? democratic nations from communist nations the soviet union from its allies the united states from europe europe from asia