Question

how long is men's vein​

Answer 1

Answer:

Varicose veins can develop when small valves in the veins become weak. These valves usually stop blood flowing backward through the veins, and when they are damaged blood can pool in the veins. This causes twisted and swollen veins that also become very visible.

Answer 2

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Varicose veins can develop when small valves in the veins become weak. These valves usually stop blood flowing backward through the veins, and when they are damaged blood can pool in the veins. This causes twisted and swollen veins that also become very visible.