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Waveform Audio File Format  |  1993-11-09  |  888.7 KB  |  1 channel  |  22,050 sample rate  |  41 seconds
Transcription: Circulating blood carries oxygen and nutrients to your body's organs and carries carbon dioxide and other waste products away from the organs to the sites of their elimination. At its simplest, the circulation is like a figure eight. The top loop is the circulation to the lungs in which blood is pumped through the pulmonary arteries, carbon dioxide is exchanged for oxygen in the capillaries, and the blood returns to the heart through the pulmonary veins. The bottom loop is the circulation circulation to the body in which blood is pumped through the arteries, oxygen and nutrients are exchanged ...