fetal circulation

Question 1

foraman ovale

Answer 1

connects right and left atria so blood entering right atrium from superior vena cava will flow into the left atrium instead of right vetricle. not all blood is sent to left side

Question 2

ductus arteriosus

Answer 2

shunts left over blood from pulmonary artery to aorta

Question 3

ductus venosus

Answer 3

blood returning from placenta via umbilical vein is rerouted to inferior vena cava (skips liver)

Question 4

umbilical veins

Answer 4

carry blood toward the fetus

Question 5

umbilical arteries

Answer 5

carry blood away from fetus