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circulatory system 10 (Extra Facts (The heart beats around 3 billion times…
circulatory system 10
Extra Facts
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About 8 million blood cells die in the human body every second, and the same number are born each second.
Within a tiny droplet of blood, there are some 5 million red blood cells.
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Red blood cells make approximately 250,000 round trips of the body before returning to the bone marrow, where they were born, to die.
Red blood cells may live for about 4 months circulating throughout the body, feeding the 60 trillion other body cells.
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Organs
Heart
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the heart is the pump, which moves the blood
Specialized Cells
Red Blood Cells
White Blood Cells
Platelets
platelet aggregation, prostaglandin synthesis, enhances coagulation, and inhibits release reactions
All white blood cells are produced and derived from multipotent cells in the bone marrow known as hematopoietic stem cells.
Red blood cells also remove carbon dioxide from your body, transporting it to the lungs for you to exhale.