Fill in the Blanks Fetal CirculationOnline version Complete the fetal circulation by filling in the blank with the appropriate term. Click on the term and move it to the correct blank box. After placing the words in the correct blank box, click on check to check your answer. There is no time limit, and unlimited attempts. by Wendy Ayers 1 placenta umbilical veins Oxygenated blood leaves the and travels to the fetus through the . 2 ductus venosus liver The first fetal shunt is the which shunts oxygen rich blood around the fetal . 3 inferior vena right cava atrium After leaving the first fetal shunt , oxygen rich blood empties into the and mixes with venous blood from the superior vena cava as it flows to this heart chamber . 4 foramen ovale atrium left The majority of the blood crosses through the second fetal shunt , the into this heart chamber , . 5 ventricle pulmonary artery right The remainder of the blood that does not pass through the second fetal shunt , passes through the tricuspid valve into this heart chamber , , and is pumped into the . 6 pulmonary vascular ductus arteriosus aortic arch resistance The high causes most of the pulmonary artery blood flow from the right ventricle to bypass the lungs and flow through the third fetal shunt , the into the which flows into the descending and abdominal aorta . 7 ventricle aorta veins left ascending pulmonary The small amount of blood that enters the pulmonary vascular system flows from these vessels , , and empties into the left atrium and flow through the mitral valve into the which flows out the aortic valve into the . 8 umbilical placenta arteries Blood in the fetal descending and abdominal aorta flows through the to the for oxygenation .
New game