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zlopas [31]
3 years ago
15

Veins have a much lower blood pressure than arteries. Which of these prevents backflow of blood in veins?

Biology
1 answer:
serious [3.7K]3 years ago
6 0
<span>Most veins are equipped with valves to prevent regurgitation (reverse blood flow). The return of blood to the heart is assisted by the action of the skeletal-muscle pump, and by the thoracic pump action of breathing during respiration.

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
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