Survey
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CIRCULATORY SYSTEM` CIRCULATORY SYSTEM • DELIVERS FOOD AND OXYGEN TO BODY CELLS • CARRIES CARBON DIOXIDE AND WASTE AWAY FROM BODY CELLS BLOODS PATH • FROM THE HEART • TO THE LUNGS • BACK TO THE HEART • TO ALL THE CELLS • BACK TO THE HEART THE HEART • RIGHT ATRIUM • RIGHT VENTRICLE • TO THE LUNGS • LEFT ATRIUM • LEFT VENTRICLE ARTERIES • AORTA BRANCHES OFF OF THE HEART • CARRY BLOOD AWAY FROM THE HEART • BRANCH OFF TO SMALLER ARTERIES CAPILLARIES • VERY THIN WALLED • ONE BLOOD CELL MAY PASS THROUGH • OXYGEN IS RELEASED • WASTE IS CARRIED AWAY VEINS • CARRY BLOOD BACK TO THE HEART • BLOOD IS DARK RED BECAUSE OF LACK OF OXYGEN • HAVE ONE WAY VALVES BLOOD • RED BLOOD CELLS • WHITE BLOOD CELLS • PLATELETS • PLASMA RED BLOOD CELLS • ROUND AND FLEXIBLE • 25 TRILLION IN THE BODY (25,000,000,000,000) • CARRY HEMOGLOBIN • (TRANSPORTS OXYGEN) WHITE BLOOD CELLS • LARGER THAN RED • SOME LIVE HOURS, MONTHS, OR YEARS • PROTECT AGAINST BACTERIA, VIRUSES, AND CONTINUED • OTHER FOREIGN SUBSTANCES • SURROUND AND DIGEST INVADERS • MAKE ANTIBODIES PLATELETS • BREAK APART TO BEGIN THE CLOTTING PROCESS. PLASMA • ABOUT 90 PERCENT WATER • 10 PERCENT SUGARS, FATS, SALTS, AND GASES • YELLOWISH BLOOD TYPES •A •B • AB •O ANTI B ANTI A NONE ANTI A ANTI B A,O B,O A,B,AB,O O CARDIOVASCULAR DISEASE • ATHEROSCLEROSIS-THICKENING OF THE INSIDE OF AN ARTERY • CAUSED BY FATS AND CHOLESTEROL CARDIOVASULAR DISEASE • PREVENTION • HEALTHY DIET • EXERCISE HYPERTENSION • WHEN BLOOD PRESSURE IS ABOVE NORMAL • THE SILENT KILLER HYPERTENSION • PREVENTION • WATCH YOUR WEIGHT • REDUCE SALT IN THE DIET • EXERCISE • SOME MEDICINES CAN HELP • THE END • QUESTIONS ?