The _____________ forms the floor of the fossa ovale.
A) bulbus cordis
B) septum primum
C) annulus
D) sinoatrial node
Correct Answer:
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Q4: The embryonic vascular system begins during the
Q5: The right ventricle is formed from which
Q6: A gestational age of 20 weeks would
Q7: In the four-chamber view, all pulmonary veins
Q8: In utero, the right heart is _
Q10: The four pulmonary veins bring blood from
Q11: The caudal region of the primitive heart
Q12: The cardinal vein returns blood from which
Q13: The division of the heart into four
Q14: The tricuspid valve is normally located _
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