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Circulation of blood

Circulation of blood. Tamara Tolp Mentor: A. Žmegač Horvat. CIRCULATORY SYSTEM. arteries arterioles veins venules capillaries heart. BLOOD. circulates through the body carries nutrients (food) , oxygen and many other substances to all cells of the body

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Circulation of blood

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  1. Circulation of blood Tamara Tolp Mentor: A. Žmegač Horvat

  2. CIRCULATORY SYSTEM • arteries • arterioles • veins • venules • capillaries • heart

  3. BLOOD • circulates through the body • carries nutrients (food) ,oxygen and many other substancesto all cells of the body • carries away waste products • without access to the blood, cells and body tissues die

  4. CIRCULATION OF BLOOD • Pulmonary circulation heart - lung • Systemic Circulation heart – tissue capillaries

  5. PULMONARY CIRCULATION • oxygen-poor blood enters heart from the body and goes to lungs • pulmonary artery carries blood deficient in oxygen

  6. lung capillaries blood absorbs oxygen and loses carbon dioxide oxygen-rich blood pulmonary veins carry oxygen-rich blood PULMONARY CIRCULATION

  7. oxygen-rich blood returns to the heart through pulmonary veins left ventricle pushes the blood out through the main artery, the aorta SYSTEMIC CIRCULATION

  8. the aorta divides into numerous branches called arteries arterioles – tissue capillaries SYSTEMIC CIRCULATION

  9. tissue capillaries near the body cells blood delivers oxygen and picks up carbon dioxide SYSTEMIC CIRCULATION

  10. venules, veins return the blood to the right side of the heart oxygen-poor blood SYSTEMIC CIRCULATION

  11. impaired or poor blood circulation result of age, lifestyle or disease, accumulation of freeradicals CAUSES OF IMPAIRED BLOOD CIRCULATION

  12. CAUSES OF IMPAIRED BLOOD CIRCULATION • lack of oxygen reduces the energy level in cells and waste products accumulate in both muscles and connective tissue • pain and other illness may occur in several places in the body

  13. SIGNS OF IMPAIRED BLOOD CIRCULATION • pain while walking • muscle cramps (common at night) • cold hands and feet • restless legs • swollen legs and feet • slow healing of injuries/ wounds • myocardial infarction (heart attack) • stroke

  14. even when the blood pressure is normal, blood circulation may be seriously impaired! awareness of the causes and effects of poor blood circulation is very important MEASUREMENTOF BLOODCIRCULATION

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