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AH Biology Physiology health & exercise

AH Biology Physiology health & exercise. Cardio vascular system. Structure and function of the cardiovascular system. CVS – double pump called the heart System of blood vessels – carry blood around the body Degenerative changes – atherosclerosis and myocardial infarction (MI) or heart attack.

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AH Biology Physiology health & exercise

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  1. AH BiologyPhysiology health & exercise Cardio vascular system

  2. Structure and function of the cardiovascular system CVS – double pump called the heart System of blood vessels – carry blood around the body Degenerative changes – atherosclerosis and myocardial infarction (MI) or heart attack.

  3. Main arteries & veins in the human body

  4. Components of the CVS The main components are • Heart • Blood vessels • Blood

  5. Blood components

  6. Blood vessels

  7. Veins

  8. Blockage to arteries

  9. Faulty valves – varicose veins

  10. Blood pressure values • Classification of blood pressure for adults • Category systolic- mmHg , diastolic- mmHg Hypotension – low blood pressure • < 90 • or < 60    Normal •  90 – 119 • and 60 – 79   Pre-hypertension • 120 – 139 • or 80 – 89 Stage 1 Hypertension • 140 – 159 • or 90 – 99 Stage 2 Hypertension • ≥ 160 • or ≥ 100 

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