The Cardiovascular System

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  • Created by: Katie
  • Created on: 01-12-13 10:58
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  • The cardiovascular System
    • Consists of...
      • Heart
      • Blood
      • Blood vessels - arteries, veins and capillaries.
    • Functions
      • Transportation of nutrients, oxygen and waste products (CO2 and lactic acid).
      • Protection - carries antibodies in white blood cells to fight infection, platelets help the blood clot.
      • Regulatin of the body temperature.
    • Immediate effects of exercise on the cardiovascular sustem
      • Heart rate increases - this speeds up the oxygen delivery to the muscles
      • During aerobic exercise - sstolic blood pressue increases slowly, whereas, diastolic blood pressure stays the same or decreases slightly.
      • Blood pressure increases.
    • Effects of regular training on the cardiovascular system
      • Increase in strength of the heart muscle.
      • Increase in the size of your heart.
      • Increase in Stroke volume.
      • Increase in maximum cardiac output.
      • Increase in capillarization.
      • Increase in number of red blood cells.
      • There will be a drop in your resting heart rate.
      • You would have a quicker recovery rate after exercise.
      • You would have healthier veins and arteries. It reduces the chance of fluid building up in your legs.
    • Long-term health benefits of exercise on the cardiovascular system
      • Drop in blood pressure
      • Reduction in your cholesterol levels.
      • Reduction in the chance of coronary heat failure.
      • Reduction in your chance of having a stroke.
    • Effects of smoking and alcohol on the cardiovascular system
      • Smoking
        • Passive smoking is harmful to our health.
        • Can lead to heart and/or lung disease, cancer and premature death.
        • 2 or 3 time more likely to have a heart attack
        • Smmokers are ore likely to have strokes, blood clots and agina and are more likely to die from heart disease.
      • Alcohol
        • Can cause heart failure and high blood pressure


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