When it comes to the body, veins have an important role. But what is the role of those veins that we begin to see through the skin as we get older? Let’s take a look at varicose veins and spider veins.
Veins
The function of veins is to return blood from the extremities to the heart and then to the lungs where it receives more oxygen and gets rid of waste products and begins the cycle again. Veins contain valves so that blood cannot flow backwards. It is already going against gravity to
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