The Cardiovascular System
- 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
- Smoking
- Consists of...
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