Why does fluid accumulate in our legs and this well if we sit still for long periods of time ? ( Hint - lymphatic system )
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Explanation:
The pressure in your veins, which bring it back to the heart, is much lower. If you sit still for long periods with your legs down, you don't move your calf muscles, which act as pumps to take blood back to the heart against gravity. This can lead to fluid accumulating.
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