Smart Doctor Plus on Instagram: "Human Internal Organs 🫁✨🫀 . . Heart: Responsible for pumping blood throughout the body, supplying oxygen and nutrients to tissues. Lungs: Facilitate gas exchange; oxygen is absorbed, and carbon dioxide is expelled. Liver: Processes nutrients from food, detoxifies harmful substances, and produces bile for digestion. Kidneys: Filter blood to produce urine, removing waste products and balancing electrolytes. Stomach: Breaks down food using acids and enzymes, begin