Cardiovascular System
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Key Terms
Erythrocytes: Red blood cells that deliver oxygen to cells Leukocytes: White blood cells that defend the body against foreign bacteria/viruses Platelets: Fragments that cott when blood vessels are broken Hematopoiesis: the formation of red blood cells Antigen: a foreign substance Antibodies: Body's defense (recognizer) against antigens Pericardium: Tissue sac protecting the heart Endocardium: Inside lining of heart chambers Artery: Carries blood away from the heart Vein: Blood coming to the heart |
Function of Cardiovascular System
Transportation (gases, wastes, hormonones, vitamins, etc.) Blood Solids (45%) -Erythrocyles -Leukocytes -Platelets Plasma (55%) -water -salts -plasma protein -nutrients -wastes -gases -hormones |