| GMD | Text |
| Classification | 612 BER |
| Publisher | New York , Scholastic, c2004 |
| Subject | Human body -- Juvenile literature.Human physiology -- Juvenile literature.Body, Human. |
| Topic | Grade 2-3 Reading (420L-820L)IPC |
| Series | Speedy facts |
| Description | 48 p. : col. ill. ; 26 cm. |
| ISBN | 9780439625364 |
| Suitable | From 7 To 9 |