How does the heart muscle get oxygen?
| November 23, 2020 | education
Through the pulmonary circulation.
In the right ventricle, venous blood (poor in oxygen) enters the pulmonary arteries, which lead to the right and left lungs (right artery to the right, left to the left), then the blood flows through the capillaries to the alveoli (pulmonary vesicles), where it becomes arterial, enriched oxygen, then through the pulmonary veins, the blood returns to the heart (to the left atrium).
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