Volume 2004, Issue 1
  • ISSN: 0253-8253
  • EISSN: 2227-0426


The delivery system of oxygen in the human body consist of lungs and CVS, which it depends by it self on the:

  1. 1 Amount of O2 entering the lung.
  2. 2 Adequacy of pulmonary gas exchange.
  3. 3 Blood flow to the tissue: witch depends on the degree of the constriction of the vascular bed in the tissue, and on the cardiac output.
  4. 4 Capacity of blood to carry O2: which depends on the amount of dissolved O2, amount of Hb in the blood, and affinity of Hb for O2


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  1. Review of Medical Physiology, William F. Ganong. .
  2. Essential of Pediatrics, Madkour. .
  • Article Type: Research Article
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