Circulatory System Blood

1. Circulatory SystemBlood

2. Blood & blood cells • Blood is a tissue of fluid & cells • ____________________ • liquid part of blood • dissolved salts, sugars, proteins, and more • ____________________ • _______________________ • transport O2 in hemoglobin • _______________________ • defense & immunity • _______________________ • blood clotting

3. Blood Cell production ribs, vertebrae, breastbone & pelvis • ______________ • ____________________________________________________ • differentiate into many different types of cells white blood cells white bloodcells red bloodcells

4. Red blood cells • Small round cells • ___________________________ • 5 liters of blood in body • 5-6 million RBC in drop of human blood • ___________________________ • ______________________________ • ~3 million RBC destroyed each second

5. Hemoglobin • _________________________________ • 250,000 hemoglobins in 1 red blood cell O2 O2 O2 O2

6. emergency repair of circulatory system Blood clotting chemicalemergencysignals plateletsseal the hole protein fibersbuild the clot

7. Cardiovascular disease • Atherosclerosis & Arteriosclerosis • ___________________________________________ • develop in inner wall of the arteries, narrowing their channel • ___________________________________________ • ______________________________________________________________________________________ normal artery hardening of arteries

8. Cardiovascular health bypass surgery • Risk Factors • _____________________ • _____________________ • high animal fat • _____________________ • smoking • lack of exercise

9. Heart Disease Heart disease death rates 1996-2002Adults ages 35 and older

10. Women & Heart Disease Death rates for heart disease per 100,000 women, 2002 • Heart disease is 3rd leading cause of death among women aged 25–44 years & 2nd leading cause of death among women aged 45–64 years. Risk factors • Smoking • Lack of exercise • High fat diet • Overweight

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