Explain whether arterial blood can flow through the veins and venous blood through the arteries

Blood saturated with carbon dioxide (venous) flows from the heart to the lungs through the efferent vessels (arteries). Conversely, from the lungs to the heart, oxygen-rich blood (arterial) enters the heart through the delivery vessels (veins). In a large circle that “serves” all organs of the body and carries oxygen, arterial (“oxygen”) blood runs through the arteries (from the heart), and venous (“carbonic”) runs back through the veins (to the heart).

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