🌟 The Venous System: The Body's Blood Return Network 🌟 The venous system plays a critical role in circulating deoxygenated blood back to the heart: 🔹 Key Features: Superficial Veins: Close to the skin’s surface, like the great saphenous vein in the legs. Deep Veins: Run alongside arteries, carrying most of the blood back to the heart. Venous Valves: Prevent blood from flowing backward, especially in the limbs. 🔹 Function: Removes waste products and carbon dioxide. Balances blood volume and p