
Fig. 23-13. The fetal and postnatal circulation. The differences in coloration represent differences in oxygenation of the blood: red contains that most oxygen and dark blue the least-oxygenated blood. Click for high resolution image.
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Fig. 23-13. The fetal and postnatal circulation. The differences in coloration represent differences in oxygenation of the blood: red contains that most oxygen and dark blue the least-oxygenated blood. Click for high resolution image.