How does the blood return to the heart in the femoral vein against the pull of gravity
Answers
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2
Answer:
due to transportation
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11
Answer:
Valves and muscle contraction.
Explanation:
Veins collecting blood from feet and legs have valves. These valves prevent returning blood to legs once again. When we walk blood from veins is squeezed up. This is why blood travels to heart against gravity. Muscle contractions from your skeletal muscles when you walk help to pump blood against gravity.
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