🌟 The Venous System: The Pathway Back to the Heart 🌟 The human venous system is a vital network responsible for returning deoxygenated blood to the heart: 🔹 Superficial Veins: Like the great saphenous vein, just beneath the skin. 🔹 Deep Veins: Found alongside arteries, carrying the majority of blood. 🔹 Venous Valves: Keep blood flowing upward, preventing backflow in the limbs. 📌 Major Veins: Inferior and Superior Vena Cava: Transport blood to the heart’s right atrium. Portal Vein: Delivers