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The Cardiovascular System, Luis Madrigal P.5 (Major arteries and veins of…

- - - - carries deoxygenated blood from the right ventricle to the lungs.
    - - blood carrying oxygen
    - - blood carrying little or oxygen
    - - Receives deoxygenated blood from the body
    - - Takes oxygenated blood from the lungs to the left atrium
    - - Pumps oxygenated blood into the aorta
    - - pumps deoxygenated blood into the pulmonary artery
    - - supply the heart muscle with its blood supply
    - - carry blood AWAY from the heart
    - - carry blood TOWARDS the heart
    - - valve between the left atrium and the left ventricle.
    - - valve between the right atrium an the right ventricle.
    - - the largest vein in the body, it carries blood from the body back to the heart.
- - - - the outermost layer of the heart wall. It is a thin layer of serous membrane which helps lubricate and protect the outside of the heart
  - - - Unoxygenated blood blood enters the right atrium from the superior and inferior vanae cavae.
    - - The blood flows through the tricuspid valve into the right ventricle.
    - - From the right ventricle, the blood flows through the pulmonic valve into the pulmonary artery.
    - - The right and left pulmonary arteries carry unoxygenated blood to the right and left lungs for gas exchange.
    - - The blood releases carbon dioxide as waste and picks up a fresh supply of oxygen.
    - - The oxygenated blood flows through fpur pulmonary veins from the lungs into the left atrium.
    - - From the left atrium, the blood flows through the bicuspid, or mitral valve into the left ventricle.
    - - Left ventricular contraction forces blood through the aortic valve into the aorta for distribution to the systemic circulation
- - - - usually carries blood away from heart
        
        found between arteries and capillaries
    - - small arteries
        
        Only one layer of endothelium (exchange
        substances with tissue cells easily)
    - - smallest of blood vessels and sites
        of gas exchange between blood and tissue cells
    - - small veins
        
        Connects capillaries and veins
    - - usually return blood toward heart
  - - - Middle, smooth muscle layer;
    - - Outermost, fibrous connective tissue
- - - - bone marrow
        does not produce enough RBC
    - - due to extreme blood loss
    - - B12 deficiency
    - - Abnormally shaped blood cells