Like most vertebrates, humans only have one heart, which is usually located near the front and middle of the chest, slightly ...

Your circulatory system contains three blood vessel types: arteries, veins, and capillaries. Arteries carry blood from the heart, unlike veins, which carry blood to the heart. According to the ...

Varicose veins, often dismissed as a cosmetic concern, can indicate underlying circulatory issues. Weakened vein valves lead to blood pooling in the legs, causing discomfort, swelling, and fatigue.

Your feet provide important health warnings. Unusual changes in toes, nails, or skin may indicate serious conditions. These ...