Healthy blood requires a balance of iron, oxygen, and regulated sugar levels. Learn how diet, stress, and exercise influence your white blood cell count, platelet levels, and overall circulatory health.
The heart functions as the motor of the circulatory system, which consists of the heart, blood vessels and blood. The heart pumps approximately 2,000 gallons of blood through the body each and every day, according to the American Heart Association.
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Plasma is the liquid portion of the blood. This slightly yellow fluid is made up of 90 percent water, according to the Franklin Institute. Although often thought of as less important than the cells of the blood that carry oxygen and provide immunity, the plasma is equally important.
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White blood cells, also called leukocytes, function to protect the body from foreign invaders such as bacteria and viruses. Five major types of white blood cells exist, each performing important functions in the immune system.
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Approximately two-thirds of the total iron in our bodies can be found in the oxygen-carrying protein of red blood cells known as hemoglobin, according to the National Institutes of Health Office of Dietary Supplements.
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