Fill in the Blanks Fill in the Blanks: The Flow of Blood Through the HeartOnline version Test your knowledge about the flow of blood through the heart by filling in the missing words in this educational game. by Meem Zee 1 left systemic ventricle ventricle right right aorta vena pulmonary cavae lungs atrium atrium trunk left In the adult heart , oxygenated blood from the lungs goes to the and flows to the . From there , it is sent through the into the circulation . After supplying oxygen to the body , deoxygenated blood returns through the to the and is sent into the . From there , it is sent through the to go to the and replenish the oxygen . 2 left venosus brain cava liver inferior right ductus ventricle ductus aorta descending liver ventricle ascending vena right umbilical aorta vein right inferior atrium left heart cava vena atrium arteriosus atrium sinusoids In the fetal circulation , blood from the placenta returns to the fetus through the . In the , blood passes through a sphincter in the , which controls how much blood goes into the and how much goes into the . In the , blood mixes with deoxygenated blood returning from the lower limbs , then it enters the . Most of the blood is shunted to the , but some remains in the and mixes with desaturated blood returning from the lungs . Blood then goes into the and is sent into circulation through the . Well - oxygenated blood goes to the and portion of the aorta . Desaturated blood from the superior vena cava goes to the , and it is forced by the into the and back to the placenta . 3 ductus atrium lung ductus vein venosus foramen oval umbilical arteriosus left atrium right In the neonatal circulation , the closes and more blood flows through the vessels . This raises pressure in the and lowers pressure in the , closing the . The no longer brings blood from the mother , and the closes .
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