Fetal Circulation

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BABY BLOOD

Placenta, Capillary Bed

Oxygenated blood goes into _______ and oxygen diffuses into Infant __________ _____.

Lungs, Ventricles

Not used by an Infant thanks to mom supplying oxygen. Therefor no need for _________.

Pulmonary Artery

If blood gets into an Infant's ventricle, it gets pumped out by the ___________.

Ductus Arteriosus

When blood gets into an Infant's ventricle, this is the tube on the pulmonary artery that puts blood back in atrium!

Umbilical Chord

Nutriends and O2 come from from the mother's blood and into Infant blood through the ________.

Umbilical Chord

Made up of a large Umbilical vien, and two smaller Umbilical arteries. (O2 to fetus, CO2 and waste to Placenta)

What Changes After Birth

1) Blood bypasses vetricles of baby's heart though extra tubes. 2) Two shunts help bypass baby's lungs (that it doesn't need atm)

Foramen Ovale, Fossa ovalis

Allows blood to bypass R. Ventricle. After birth, closes and becomes ________.

Ductus Arteriosus, Ligamentosm Arteriosus

Allows for aorta and pulmonary trunk to join. After Birth, will become a ligament known as ______________.

Shunts

What helps everything bypass Infant lungs

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