Bold Bones: Skeletal System Flashcards Bring anatomy to life in your gym with Bold Bones cards, a fun and engaging set of skeletal system flashcards designed to build health knowledge through movement-based learning! These cards are perfect for adding informal assessment, partner quizzing, and instant activities into your PE lessons while helping students learn the major bones of the human body. Each flashcard features a skeleton with the target bone highlighted in bold blue, making it easy for