the cardiovascular system. a. functions: 1. carries oxygen and nutrients to the body cell. 2....
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The Cardiovascular System
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A. Functions:• 1. Carries oxygen and nutrients
to the body cell.• 2. Carries carbon dioxide and
other wastes to the lungs and kidneys where they are released from the body.
The Cardiovascular System
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B. Structure
• 1. Heart: chambers, pulmonary & systemic circulation.
• 2. Blood: plasma, red & white blood cells, hemoglobin, platelets.
• 3. Blood vessels: arteries, capillaries, veins.
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•Problems:• 1. Congenital Heart Disease:
“occurring at birth,” valves not functioning, hole between chambers, or defective blood vessels from heart.
• 2. Heart Murmurs: defective valve in heart.• 3.Varicose veins: swollen enlarged veins.
(prolonged standing, pregnancy, wearing tight clothes, aging.)
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• 4. Thrombosis: blood clot in • blood vessel.• 5. Anemia: low count of red blood
cells.• 6. Sickle-cell Anemia: defect in red
blood cells. Sickle shaped cells that deprive oxygen.
• 7. Leukemia: type of cancer, abnormal production of white blood cells.