人体骨骼系统白板动画

Hand-drawn diagram of the human skeletal system: one friendly full-body skeleton standing front-on with its arms relaxed at its sides and palms facing forward, a round skull with a jaw, collarbones, a ribcage of curved ribs joined to the breastbone, the spine running down the middle, the pelvis, the upper arm bone, the two forearm bones and the small bones of the hands, the thigh bones, kneecaps, the two lower leg bones and the small bones of the feet, correct human proportions, nothing else in the picture but a little grass at its feet. Coloured pencil and watercolour marker, clean black ink outlines, warm off-white paper, no text.