Blood returning to the heart from the pulmonary circuit first enters the
a. conus arteriosus
b. right atrium
c. left ventricle
d. left atrium
e. right ventricle
Answer: D
Blood returning to the heart from the pulmonary circuit first enters the
a. conus arteriosus
b. right atrium
c. left ventricle
d. left atrium
e. right ventricle
Answer: D