Science, asked by ayyareddymehant815, 7 months ago

Oxygenated blood reaches heart through ​

Answers

Answered by samiaiman343
3

Answer:

Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium.

Answered by aryasngh
1

Answer:

Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins.

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