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CIRCULATORY & RESPIRATORY SYSTEMS 2015
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CIRCULATORY SYSTEM The group of organs and tissues that carry needed materials to cells and remove their waste products
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HEART The muscle that acts as the pump for the circulatory system
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ARTERIES Carry blood away from the heart to various parts of the body.
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VEINS Carry blood from all parts of the body back to the heart
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CAPILLARIES Carry blood to and from almost all body cells and connect arteries and veins.
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BLOOD PRESSURE The force of blood pushing against the walls of the blood vessels.
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PROBLEMS AFFECTING THE CIRCULATORY SYSTEM Hypertension: high blood pressure, can lead to kidney failure, heart attack or stroke. Heart attack: blockage of bloodflow to the heart. Stroke: usually results from blood clots in the brain or from a torn blood vessel Leukemia: a type of cancer in which abnormal white blood cells interfere with production of other blood cells. Bonus question: WHAT ARE THE 3 MAJOR PARTS OF YOUR BLOOD? RED BLOOD CELLS: carry oxygen WHITE BLOOD CELLS: fight diseases PLATELETS: aid blood clotting
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RESPIRATORY SYSTEM
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The organs that supply your blood with oxygen.
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LUNGS Two large organs that exchange oxygen and carbon dioxide
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LARYNX The upper part of the respiratory system, which contains the vocal cords.
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TRACHEA A passageway in your throat that takes air into and out of your lungs.
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BRONCHI Two passageways that branch from the trachea, on each lung.
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DIAPHRAGM A large, dome-shaped muscle below the lungs that expands and compresses the lungs, enabling breathing.
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PROBLEMS AFFECTING THE RESPIRATORY SYSTEM Tobacco Smoke Chemicals Germs Air Pollution
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RESPIRATORY ILLNESSES Colds/flu Bronchitis Pneumonia Asthma Emphysema Lung Cancer
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