Learn about sickle cell anemia and blood behavior in sickle cell patients
How a tiny device can help predict the behavior of sickle cells.
© Massachusetts Institute of Technology (A Britannica Publishing Partner)
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Encyclopædia Britannica, Inc.Worried about diphtheria? No? Thank vaccines.
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© American Chemical Society (A Britannica Publishing Partner)Learn about caffeine's effects on the human body.
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© American Chemical Society (A Britannica Publishing Partner)Examining whether e-cigarettes are safer than tobacco cigarettes.
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Encyclopædia Britannica, Inc.In a circuit through the cardiovascular system, red blood cells transport oxygen from the lungs to the body tissues and carry carbon dioxide from the body tissues back to the lungs.
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Encyclopædia Britannica, Inc.Learn about the human immune response phagocytosis by watching time-lapse photography of a leukocyte, or white blood cell (globular structure), consuming bacteria.
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Encyclopædia Britannica, Inc.In a circuit through the cardiovascular system, red blood cells transport oxygen from the lungs to the body tissues and transport carbon dioxide from the body tissues to the lungs.
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Encyclopædia Britannica, Inc.Hemoglobin is an example of a globular protein. Learn how hemoglobin proteins in the blood transport oxygen from the lungs to tissues throughout the body.
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