FOETAL CIRCULATION

thru umbilical cord which connects fetus to placenta

transfer oxygen and nutrients from mom to fetus and removes carbon dioxide and wastes from baby, transfering it to mother's bloodstream where it can be eliminated

foramen ovale, ductus arteriosus, ductus venosus

<p>because these organs do not function fully until after birth</p> Signup and view all the answers

<p>moves blood from right to left atrium, bypassing lungs</p> Signup and view all the answers

<p>moves blood from pulmonary artery to aorta, bypassing lungs</p> Signup and view all the answers

<p>allow oxygenated blood to bypass liver and flow into inferior vena cava</p> Signup and view all the answers

<p>transferred back to placenta and into mother's circulation for removal</p> Signup and view all the answers

<p>most of it flow thru foramen ovale into left atrium due to higher pressure in right atrium than left</p> Signup and view all the answers

<p>flows into left ventricle and then into aorta</p> Signup and view all the answers

<p>pumped into pulmonary artery, but most shunted thru ductus arteriosus to descending aorta</p> Signup and view all the answers

<p>enters right ventricle and is pumped into pulmonary artery, with most of it shunted thru ductus arteriosus</p> Signup and view all the answers

<p>pressure changes in left and right atrium due to lung expansion and reduced pulmonary pressure, and the foramen ovale turns to fibrous tissue</p> Signup and view all the answers

<p>closure of ductus arteriosus, ductus venosus and foramen ovale transitions fetal circulation to newborn circulation</p> Signup and view all the answers

<p>increase in blood pressure and reduction in pulmonary pressures following the baby's first breaths.</p> Signup and view all the answers

<p>umbilical cord is clamped and the baby no longer receives oxygen and nutrients from the mother, triggering independent lung function</p> Signup and view all the answers

<p>most blood is shunted through ductus arteriosus</p> Signup and view all the answers

<p>carry blood to lower parts of foetus and into umbilical arteries for waste removal</p> Signup and view all the answers

<p>closes as liver beings to function fully in processing blood</p> Signup and view all the answers