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Unit 4 :the excretory and ciculatory sistem, Heart-Anatomy-Graphic, Parts…

- - - - White blood cells:
        Protect the blood of the bacterias
      - Red blood cells :
        Transport oxygen and release carboin dioxide
      - Platalates:
        Alows the cells to colt or cagulate
    - - Systemic circuit
        transport the blood between the heart
        to all parts of the body blood leaves the left ventricle throught the aorta this divides into artioles and capillaries where reaches all tissues of the body
      - Pulmonary circuit:
        transport the blood between the heart to the lungs blood carring carbon dioxide leaves the right ventricle throught the two pulmonary arteries and enters the lungs here red blood cells release carbon dioxide and pick up oxygen