Cavallini & Co.'s Skeletal System Puzzle. The human skeleton is the internal framework of the human body. It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together. The bone mass in the skeleton makes up about 14% of the total body weight and reaches maximum density around age 21. The skeletal system is your body's central framework. It consists of bones and connective tissue, including cartilage, tendons, and ligaments. It's also called the musculoskeletal system. 1,000 piece jigsaw puzzle. Finished size: 22" x 28"Each Cavallini & Co. vintage collection puzzle is contained in a 10" collectible cardboard canister with a poster & a hand-sewn muslin drawstring bag to keep your pieces safe. Beautiful packaging and cheerful designs make these the perfect gift — for a friend or yourself!
