How much do you know about the human body? | National Geographic

The Human Body Revealed Like Never Before 👁️🔥 . . Experience the human body in a way you’ve never seen before. This full 3D animation reveals every system of the body — skeleton, muscles, organs, blood vessels, nerves, and more — all shown layer by layer in stunning detail. Watch how the body transforms as each system appears and connects: the beating heart, the lungs expanding, the digestive system folding perfectly into place, the nerves branching like a living network, and the muscles wrapp