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2 votes
Oxygen-rich blood enters the heart through the _____.

vena cava
pulmonary artery
aorta
pulmonary vein

User MartGriff
by
7.9k points

2 Answers

6 votes

Answer:

it is actually pulmonary vein

Step-by-step explanation:

User David Parks
by
8.3k points
1 vote

Answer:

vena cava

Step-by-step explanation:

User Michael Moeller
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7.6k points