. . "Human skeleton Juvenile literature." . . . . . . . "The skeletal system"@en . "The skeletal system" . . . "The Skeletal System"@en . "Simple text, photographs, and diagrams introduce the skeletal system and its purpose, parts, and functions."@en . "Juvenile works"@en . . . . . "Juvenile works" . "Simple text, photographs, and diagrams introduce the skeletal system and its purpose, parts, and functions." . . . . . .